diff --git a/apps/api/src/billing/billing.service.ts b/apps/api/src/billing/billing.service.ts
index 607309f..be25aa9 100644
--- a/apps/api/src/billing/billing.service.ts
+++ b/apps/api/src/billing/billing.service.ts
@@ -701,11 +701,14 @@ export class BillingService {
   /**
    * One customer's statement across both business lines.
    *
-   * Returns the *whole* ledger rather than a page of it: the heaviest customer
+   * Scoped to the current calendar year and listed oldest-first, matching the
+   * legacy EDO CUENTA report the office has printed for years: an opening
+   * balance at the top, then the year's movements in the order they happened.
+   *
+   * Returns the *whole* year rather than a page of it: the heaviest customer
    * carries 365 movements (mean 26), and a running balance is meaningless if
    * the client only holds a slice. The running balance is accumulated per
-   * currency in chronological order, then the list is handed back newest-first
-   * with each row's balance-after already attached.
+   * currency in chronological order, with each row's balance-after attached.
    */
   async statement(customerId: string) {
     const customer = await this.prisma.customer.findUnique({
@@ -790,15 +793,52 @@ export class BillingService {
       },
     });
 
+    // The statement covers one calendar year. The floor above normally lands on
+    // January 1st of it already — the legacy publish writes one BALANCE FORWARD
+    // per customer per year — in which case nothing extra is dropped here. When
+    // it doesn't (a customer the last publish skipped, or one that never had an
+    // opening balance), the earlier rows still have to be *counted* or every
+    // balance below is wrong, so they are folded into `opening` rather than
+    // listed. That is the same thing a BALANCE FORWARD row does, just computed.
+    const yearStart = new Date(Date.UTC(new Date().getUTCFullYear(), 0, 1));
+
     const running = new Map<string, Prisma.Decimal>();
-    const movements = rows.map((r) => {
+    /** Balance carried into `yearStart`, per currency. */
+    const opening = new Map<string, Prisma.Decimal>();
+    /** The same carried balance split by business line, keyed `domain|currency`. */
+    const openingByDomain = new Map<
+      string,
+      { domain: TransactionDomain; currency: string; amount: Prisma.Decimal }
+    >();
+    /** The rows the statement lists — this year's. Totals are built from these. */
+    const visible: typeof rows = [];
+
+    const movements = rows.flatMap((r) => {
       const voided = r.voidedAt != null;
       const prev = running.get(r.currency) ?? new Prisma.Decimal(0);
       // Neither a voided row nor an outstanding (unpaid) one moves the running
       // balance — both show tagged, with the balance unchanged from the previous
       // live movement. Outstanding rows start counting once resolved.
-      const next = voided || r.outstanding ? prev : prev.plus(r.amount);
+      const counted = !voided && !r.outstanding;
+      const next = counted ? prev.plus(r.amount) : prev;
       running.set(r.currency, next);
+
+      if (r.transactionDate < yearStart) {
+        if (counted) {
+          opening.set(r.currency, next);
+          const dk = `${r.domain}|${r.currency}`;
+          const od = openingByDomain.get(dk) ?? {
+            domain: r.domain,
+            currency: r.currency,
+            amount: new Prisma.Decimal(0),
+          };
+          od.amount = od.amount.plus(r.amount);
+          openingByDomain.set(dk, od);
+        }
+        return [];
+      }
+
+      visible.push(r);
       return {
         id: r.id,
         transactionDate: r.transactionDate,
@@ -818,7 +858,6 @@ export class BillingService {
         balanceAfter: next.toFixed(2),
       };
     });
-    movements.reverse();
 
     // Per-currency summary, and the same split by business line so the two
     // ledgers are visibly one statement without being illegally added up.
@@ -846,7 +885,29 @@ export class BillingService {
       }
     >();
 
-    for (const r of rows) {
+    for (const [currency] of opening) {
+      perCurrency.set(currency, {
+        currency,
+        charges: new Prisma.Decimal(0),
+        credits: new Prisma.Decimal(0),
+        chargeCount: 0,
+        creditCount: 0,
+        count: 0,
+        first: null,
+        last: null,
+      });
+    }
+    for (const [key, o] of openingByDomain) {
+      perDomain.set(key, {
+        domain: o.domain,
+        currency: o.currency,
+        charges: new Prisma.Decimal(0),
+        credits: new Prisma.Decimal(0),
+        count: 0,
+      });
+    }
+
+    for (const r of visible) {
       // Voided rows never enter a total; outstanding rows don't either until
       // they're resolved (legacy SALDOS ULTIMO 0's `HAVING NOPAGO = 0`).
       if (r.voidedAt != null || r.outstanding) continue;
@@ -896,7 +957,7 @@ export class BillingService {
       string,
       { name: string; currency: string; total: Prisma.Decimal; count: number }
     >();
-    for (const r of rows) {
+    for (const r of visible) {
       if (r.voidedAt != null || r.outstanding) continue;
       if (!r.amount.lessThan(0)) continue;
       const name = r.type?.nameEs || r.type?.nameEn || "Sin clasificar";
@@ -915,25 +976,37 @@ export class BillingService {
         propertyCount: customer._count.properties,
         policyCount: customer._count.policies,
       },
-      summary: [...perCurrency.values()].map((c) => ({
-        currency: c.currency,
-        charges: c.charges.toFixed(2),
-        credits: c.credits.toFixed(2),
-        balance: c.charges.plus(c.credits).toFixed(2),
-        chargeCount: c.chargeCount,
-        creditCount: c.creditCount,
-        count: c.count,
-        firstMovement: c.first,
-        lastMovement: c.last,
-      })),
-      byDomain: [...perDomain.values()].map((d) => ({
-        domain: d.domain,
-        currency: d.currency,
-        charges: d.charges.toFixed(2),
-        credits: d.credits.toFixed(2),
-        balance: d.charges.plus(d.credits).toFixed(2),
-        count: d.count,
-      })),
+      year: yearStart.getUTCFullYear(),
+      summary: [...perCurrency.values()].map((c) => {
+        const open = opening.get(c.currency) ?? new Prisma.Decimal(0);
+        return {
+          currency: c.currency,
+          /** Balance carried in from before this year — legacy's BALANCE FORWARD. */
+          opening: open.toFixed(2),
+          charges: c.charges.toFixed(2),
+          credits: c.credits.toFixed(2),
+          balance: open.plus(c.charges).plus(c.credits).toFixed(2),
+          chargeCount: c.chargeCount,
+          creditCount: c.creditCount,
+          count: c.count,
+          firstMovement: c.first,
+          lastMovement: c.last,
+        };
+      }),
+      byDomain: [...perDomain.values()].map((d) => {
+        const open =
+          openingByDomain.get(`${d.domain}|${d.currency}`)?.amount ??
+          new Prisma.Decimal(0);
+        return {
+          domain: d.domain,
+          currency: d.currency,
+          opening: open.toFixed(2),
+          charges: d.charges.toFixed(2),
+          credits: d.credits.toFixed(2),
+          balance: open.plus(d.charges).plus(d.credits).toFixed(2),
+          count: d.count,
+        };
+      }),
       byType: [...byType.values()]
         .map((t) => ({
           name: t.name,
diff --git a/apps/api/src/billing/statement-year.spec.ts b/apps/api/src/billing/statement-year.spec.ts
new file mode 100644
index 0000000..64e8479
--- /dev/null
+++ b/apps/api/src/billing/statement-year.spec.ts
@@ -0,0 +1,145 @@
+import { Prisma } from "@jorgecuadros/database";
+import { BillingService } from "./billing.service";
+
+/**
+ * The statement is a *year* statement, like the EDO CUENTA report the office
+ * prints: this year's movements, oldest-first, opening on the balance carried
+ * in from before it.
+ *
+ * The carrying is the part worth testing. Dropping earlier rows from the list
+ * is easy; dropping them from the arithmetic too would restart every balance at
+ * zero on January 1st, and nothing would throw — the numbers would just be
+ * wrong, which is exactly how the double-counting bug lived for years.
+ */
+describe("statement year scoping", () => {
+  const YEAR = new Date().getUTCFullYear();
+
+  function d(iso: string) {
+    return new Date(`${iso}T00:00:00.000Z`);
+  }
+
+  type RowSpec = {
+    id: string;
+    date: Date;
+    amount: string;
+    currency?: string;
+    domain?: string;
+    voidedAt?: Date | null;
+    outstanding?: boolean;
+  };
+
+  function row(r: RowSpec) {
+    return {
+      id: r.id,
+      transactionDate: r.date,
+      domain: r.domain ?? "UTILITY",
+      amount: new Prisma.Decimal(r.amount),
+      currency: r.currency ?? "MXN",
+      reference: null,
+      period: null,
+      checkNumber: null,
+      message: null,
+      legacySourceTable: null,
+      voidedAt: r.voidedAt ?? null,
+      outstanding: r.outstanding ?? false,
+      type: { nameEn: "WATER", nameEs: "AGUA" },
+    };
+  }
+
+  /** No BALANCE FORWARD row, so the floor is null and every row is fetched. */
+  function serviceWith(rows: RowSpec[]) {
+    const prisma = {
+      customer: {
+        findUnique: jest.fn().mockResolvedValue({
+          id: "c1",
+          name: "CUADROS, JORGE H.",
+          preferredCurrency: "MXN",
+          _count: { properties: 0, policies: 0 },
+        }),
+      },
+      transaction: {
+        findFirst: jest.fn().mockResolvedValue(null),
+        findMany: jest.fn().mockResolvedValue(rows.map(row)),
+      },
+    };
+    return new BillingService(prisma as never);
+  }
+
+  it("lists the year's movements oldest-first", async () => {
+    const s = await serviceWith([
+      { id: "a", date: d(`${YEAR}-01-02`), amount: "-100" },
+      { id: "b", date: d(`${YEAR}-03-04`), amount: "250" },
+      { id: "c", date: d(`${YEAR}-07-16`), amount: "-40" },
+    ]).statement("c1");
+
+    expect(s.movements.map((m) => m.id)).toEqual(["a", "b", "c"]);
+  });
+
+  it("leaves earlier years off the list", async () => {
+    const s = await serviceWith([
+      { id: "old", date: d(`${YEAR - 1}-11-30`), amount: "-500" },
+      { id: "new", date: d(`${YEAR}-02-11`), amount: "-100" },
+    ]).statement("c1");
+
+    expect(s.movements.map((m) => m.id)).toEqual(["new"]);
+  });
+
+  it("carries the earlier years' balance instead of discarding it", async () => {
+    // 1,000 credit left over from last year, 300 charged this year: the
+    // customer is 700 in credit, not 300 in debt.
+    const s = await serviceWith([
+      { id: "old", date: d(`${YEAR - 1}-12-15`), amount: "1000" },
+      { id: "new", date: d(`${YEAR}-02-11`), amount: "-300" },
+    ]).statement("c1");
+
+    const mxn = s.summary.find((x) => x.currency === "MXN");
+    expect(mxn?.opening).toBe("1000.00");
+    expect(mxn?.charges).toBe("-300.00");
+    expect(mxn?.balance).toBe("700.00");
+    // The running balance on the listed row picks up where last year left off.
+    expect(s.movements[0].balanceAfter).toBe("700.00");
+  });
+
+  it("carries it per business line as well", async () => {
+    const s = await serviceWith([
+      { id: "old", date: d(`${YEAR - 1}-12-15`), amount: "1000", domain: "INSURANCE" },
+      { id: "new", date: d(`${YEAR}-02-11`), amount: "-300", domain: "INSURANCE" },
+    ]).statement("c1");
+
+    const line = s.byDomain.find((x) => x.domain === "INSURANCE");
+    expect(line?.opening).toBe("1000.00");
+    expect(line?.balance).toBe("700.00");
+  });
+
+  it("still reports a currency that only moved in earlier years", async () => {
+    // Otherwise a customer sitting on a dollar credit they haven't touched all
+    // year would appear to have no dollar balance at all.
+    const s = await serviceWith([
+      { id: "old", date: d(`${YEAR - 2}-05-01`), amount: "180.83", currency: "USD" },
+      { id: "new", date: d(`${YEAR}-02-11`), amount: "-300" },
+    ]).statement("c1");
+
+    const usd = s.summary.find((x) => x.currency === "USD");
+    expect(usd?.balance).toBe("180.83");
+    expect(usd?.count).toBe(0);
+  });
+
+  it("does not carry a voided earlier row", async () => {
+    const s = await serviceWith([
+      { id: "old", date: d(`${YEAR - 1}-12-15`), amount: "1000", voidedAt: d(`${YEAR - 1}-12-16`) },
+      { id: "new", date: d(`${YEAR}-02-11`), amount: "-300" },
+    ]).statement("c1");
+
+    const mxn = s.summary.find((x) => x.currency === "MXN");
+    expect(mxn?.opening).toBe("0.00");
+    expect(mxn?.balance).toBe("-300.00");
+  });
+
+  it("reports the year it covers", async () => {
+    const s = await serviceWith([
+      { id: "a", date: d(`${YEAR}-01-02`), amount: "-100" },
+    ]).statement("c1");
+
+    expect(s.year).toBe(YEAR);
+  });
+});
diff --git a/apps/api/src/reports/reports.registry.ts b/apps/api/src/reports/reports.registry.ts
index 3615bd6..523d245 100644
--- a/apps/api/src/reports/reports.registry.ts
+++ b/apps/api/src/reports/reports.registry.ts
@@ -15,6 +15,7 @@
  */
 
 import { Prisma } from "@jorgecuadros/database";
+import { BALANCE_FORWARD_TYPE } from "../billing/billing.service";
 import {
   intParam,
   NOT_VOIDED,
@@ -751,8 +752,8 @@ const edoCuentaDatos: ReportDef = {
   title: "Estado de cuenta",
   description:
     "Estado de cuenta de un cliente: saldos por moneda, desglose por " +
-    "ramo y concepto, y el historial completo de movimientos con saldo " +
-    "corrido. El reporte del cliente final.",
+    "ramo y concepto, y los movimientos del año en curso con saldo " +
+    "corrido, abriendo con el saldo anterior. El reporte del cliente final.",
   domain: "estado-cuenta",
   legacyName: "EDO CUENTA DATOS",
   format: "statement",
@@ -789,22 +790,42 @@ const edoCuentaDatos: ReportDef = {
     });
     if (!customer) return { rows: [], subtitle: "Cliente no encontrado" };
 
-    // Reuse the same NOT_VOIDED + STATEMENT_EXCLUDED_SOURCE_TABLES filter
-    // as BillingService.statement so the numbers match what the customer
-    // already sees in /estado-cuenta/[id].
+    // The source-table exclusion, the balance floor and the year scope below
+    // are BillingService.statement's, because this report and
+    // /estado-cuenta/[id] are the same statement — one printable, one on
+    // screen — and a customer holding both must not read two balances.
+    const floor = await prisma.transaction.findFirst({
+      where: {
+        customerId,
+        voidedAt: null,
+        type: { nameEn: BALANCE_FORWARD_TYPE },
+      },
+      orderBy: { transactionDate: "desc" },
+      select: { transactionDate: true },
+    });
+
     const rows = await prisma.transaction.findMany({
       where: {
         customerId,
         voidedAt: null,
-        legacySourceTable: {
-          notIn: [
-            "EFECTIVO",
-            "EFECTIVO_BACKUP",
-            "EFECTIVO FM3",
-            "CHEQUE FM3",
-            "IVA 2015",
-          ],
-        },
+        ...(floor ? { transactionDate: { gte: floor.transactionDate } } : {}),
+        // NULL-safe: `NULL NOT IN (...)` is NULL, not true, so a bare `notIn`
+        // drops every app-captured row (they have no legacySourceTable) — the
+        // same defect this report's on-screen twin was fixed for.
+        OR: [
+          { legacySourceTable: null },
+          {
+            legacySourceTable: {
+              notIn: [
+                "EFECTIVO",
+                "EFECTIVO_BACKUP",
+                "EFECTIVO FM3",
+                "CHEQUE FM3",
+                "IVA 2015",
+              ],
+            },
+          },
+        ],
       },
       orderBy: [{ transactionDate: "asc" }, { id: "asc" }],
       select: {
@@ -822,12 +843,28 @@ const edoCuentaDatos: ReportDef = {
       },
     });
 
-    // Compute running balance per currency, then return newest-first.
+    // Scoped to the calendar year and listed oldest-first, the way the legacy
+    // EDO CUENTA sheet reads. Rows from earlier years still move the running
+    // balance — they are folded into `opening` and printed as a single "saldo
+    // anterior" line, which is what a BALANCE FORWARD row is.
+    const yearStart = new Date(Date.UTC(new Date().getUTCFullYear(), 0, 1));
+    const year = yearStart.getUTCFullYear();
+
     const running = new Map<string, Prisma.Decimal>();
-    const movements = rows.map((r) => {
+    const opening = new Map<string, Prisma.Decimal>();
+    const visible: typeof rows = [];
+
+    const movements = rows.flatMap((r) => {
       const prev = running.get(r.currency) ?? new Prisma.Decimal(0);
       const next = prev.plus(r.amount);
       running.set(r.currency, next);
+
+      if (r.transactionDate < yearStart) {
+        opening.set(r.currency, next);
+        return [];
+      }
+
+      visible.push(r);
       return {
         date: r.transactionDate.toISOString().slice(0, 10),
         domain: r.domain,
@@ -840,14 +877,38 @@ const edoCuentaDatos: ReportDef = {
         balanceAfter: next.toFixed(2),
       };
     });
-    movements.reverse();
 
-    // Per-currency summary + per-domain breakdown.
+    // The carried balance, printed as the statement's first line — same shape
+    // as a movement row so it needs nothing special from the renderer.
+    const carried = [...opening.entries()]
+      .filter(([, amount]) => !amount.isZero())
+      .map(([currency, amount]) => ({
+        date: yearStart.toISOString().slice(0, 10),
+        domain: "UTILITY",
+        currency,
+        reference: "",
+        period: `Al cierre de ${year - 1}`,
+        checkNumber: "",
+        concept: "SALDO ANTERIOR",
+        amount: amount.toFixed(2),
+        balanceAfter: amount.toFixed(2),
+      }));
+
+    // Per-currency summary, seeded with the carried balance so it reconciles
+    // against the last running balance printed below.
     const perCurrency = new Map<
       string,
       { currency: string; charges: Prisma.Decimal; credits: Prisma.Decimal; count: number }
     >();
-    for (const r of rows) {
+    for (const [currency, amount] of opening) {
+      perCurrency.set(currency, {
+        currency,
+        charges: amount.lessThan(0) ? amount : new Prisma.Decimal(0),
+        credits: amount.lessThan(0) ? new Prisma.Decimal(0) : amount,
+        count: 0,
+      });
+    }
+    for (const r of visible) {
       const c =
         perCurrency.get(r.currency) ??
         {
@@ -881,9 +942,10 @@ const edoCuentaDatos: ReportDef = {
           count: c.count,
         })),
         { __kind: "movements-header" },
+        ...carried,
         ...movements,
       ],
-      subtitle: `${nameOf(customer)} · ${rows.length} movimientos`,
+      subtitle: `${nameOf(customer)} · ${year} · ${visible.length} movimientos`,
     };
   },
 };
diff --git a/apps/web/src/app/estado-cuenta/[id]/page.tsx b/apps/web/src/app/estado-cuenta/[id]/page.tsx
index 8455c50..a66e766 100644
--- a/apps/web/src/app/estado-cuenta/[id]/page.tsx
+++ b/apps/web/src/app/estado-cuenta/[id]/page.tsx
@@ -36,10 +36,12 @@ import type {
  * charge and an insurance payment finally sit on the same page, under the same
  * person, with a running balance.
  *
- * The running balance is per currency (the API accumulates it chronologically
- * before handing the list back newest-first), so the movement table is scoped
- * to one currency at a time — a column that alternated between pesos and
- * dollars would be a meaningless number.
+ * The running balance is per currency, so the movement table is scoped to one
+ * currency at a time — a column that alternated between pesos and dollars would
+ * be a meaningless number.
+ *
+ * Like the legacy EDO CUENTA report, the table covers the current year only and
+ * runs oldest-first, opening on the balance carried in from before it.
  */
 export default function EstadoCuentaDetailPage({
   params,
@@ -194,7 +196,7 @@ function StatementView({ id }: { id: string }) {
       <section className="section">
         <SectionHead
           rule="cuenta"
-          title="Movimientos"
+          title={`Movimientos ${data.year}`}
           count={movements.length}
           countSuffix={movements.length === 1 ? "movimiento" : "movimientos"}
           right={
@@ -260,7 +262,7 @@ function StatementView({ id }: { id: string }) {
         <div className="card">
           {movements.length === 0 ? (
             <div className="empty-inline">
-              Sin movimientos en {currency}
+              Sin movimientos de {data.year} en {currency}
               {domain ? ` para ${domainLabel(domain)}` : ""}.
             </div>
           ) : (
@@ -282,6 +284,26 @@ function StatementView({ id }: { id: string }) {
                   </tr>
                 </thead>
                 <tbody>
+                  {/*
+                    The carried balance, shown the way the legacy report shows
+                    it: a BALANCE FORWARD line above the year's movements. It
+                    only appears when there is something to carry — when the
+                    customer's opening-balance row is itself dated inside this
+                    year (the usual case) it is listed as an ordinary movement
+                    and this row is zero, so it is left out.
+
+                    Suppressed under a business-line filter: the carried balance
+                    is the customer's, across both lines, and printing it above
+                    one line's rows would read as that line's opening balance.
+                  */}
+                  {!domain && Number(active?.opening ?? 0) !== 0 && (
+                    <OpeningRow
+                      opening={active!.opening}
+                      currency={currency}
+                      year={data.year}
+                      canVoid={canVoid}
+                    />
+                  )}
                   {movements.map((m) => (
                     <StatementRow
                       key={m.id}
@@ -481,6 +503,44 @@ function ConceptosSection({
   );
 }
 
+/** The balance carried into the statement year — legacy's BALANCE FORWARD. */
+function OpeningRow({
+  opening,
+  currency,
+  year,
+  canVoid,
+}: {
+  opening: string;
+  currency: LedgerCurrency;
+  year: number;
+  canVoid: boolean;
+}) {
+  return (
+    <tr>
+      <td className="mono" style={{ whiteSpace: "nowrap" }}>
+        {formatDate(`${year}-01-01T00:00:00.000Z`)}
+      </td>
+      <td className="tx-domain-cell">Ambas líneas</td>
+      <td>
+        Saldo anterior
+        <div className="tx-concept">Al cierre de {year - 1}</div>
+      </td>
+      <td className="tx-ref">—</td>
+      <td className="num">
+        <span className={`tx-amount ${Number(opening) < 0 ? "neg" : "pos"}`}>
+          {formatMoney(opening, currency)}
+        </span>
+      </td>
+      <td className="num">
+        <span className={`bal-running ${balanceTone(opening)}`}>
+          {formatMoney(opening, currency)}
+        </span>
+      </td>
+      {canVoid && <td />}
+    </tr>
+  );
+}
+
 function StatementRow({
   m,
   canVoid,
diff --git a/apps/web/src/lib/types.ts b/apps/web/src/lib/types.ts
index 46a2bc5..c694702 100644
--- a/apps/web/src/lib/types.ts
+++ b/apps/web/src/lib/types.ts
@@ -1041,6 +1041,8 @@ export interface BillingFacets {
 
 export interface StatementSummary {
   currency: LedgerCurrency;
+  /** Balance carried in from before the statement year — legacy's BALANCE FORWARD. */
+  opening: string;
   charges: string;
   credits: string;
   balance: string;
@@ -1054,6 +1056,7 @@ export interface StatementSummary {
 export interface StatementDomainRow {
   domain: TransactionDomain;
   currency: LedgerCurrency;
+  opening: string;
   charges: string;
   credits: string;
   balance: string;
@@ -1089,6 +1092,8 @@ export interface Statement {
     propertyCount: number;
     policyCount: number;
   };
+  /** Calendar year the statement covers; movements are scoped to it. */
+  year: number;
   summary: StatementSummary[];
   byDomain: StatementDomainRow[];
   byType: StatementTypeRow[];