Guides a self-employed professional (persona natural con actividad lucrativa) in Honduras through the full annual ISR engagement: RTN registration check, income and deduction classification from bank statements, ISV D-01 monthly reconciliation, computation of the progressive ISR table and Aportación Solidaria surtax, and e-filing of Form 102/102-1 via DET Live by the 30 April deadline.
Confirm the client is a domiciled persona natural with a valid RTN (Registro Tributario Nacional, 14 digits) registered with SAR. Establish whether they are obligated or voluntarily registered for ISV (threshold: annual income ≥ HNL 10,000,000). Collect the prior-year Declaración Jurada or SAR assessment and any Pagos a Cuenta (advance ISR payments) already made.
Process the client's full-year bank statements (Banco Atlántida, BAC Credomatic, Ficohsa, Davivienda, etc.) to identify all Honduran-source income. Classify credits as professional fees (honorarios), commissions, rental income, platform payouts (Stripe, PayPal, Wise), or non-taxable exclusions (own-account transfers, loan receipts). Where the client is ISV-registered, strip the 15% ISV component from gross receipts to arrive at net renta gravable.
Identify and document all allowable deductions against self-employment income: office rent (alquiler oficina with factura), accountancy and legal fees, software subscriptions, marketing, office supplies, and professional training costs. Separately calculate statutory IHSS (EM + IVM, employee share 5%) and RAP (1.5%) contributions, which reduce the taxable base. Confirm INFOP (1%) is employer-side only and not deducted. Flag any non-deductible items such as restaurant/entertainment expenses, personal supermarket spend, fines, or the ISR payment itself.
Compute Renta Neta Gravable (gross income minus allowable deductions and statutory contributions) and apply the 2025 progressive ISR table (exempt up to HNL 217,493.16; 15% / 20% / 25% above). Add the 5% Aportación Solidaria surtax on any net taxable income exceeding HNL 1,000,000 (Decreto 278-2013). For clients with gross income ≥ HNL 10,000,000, check whether the 1.5% Alternative Minimum Tax applies. Offset any Pagos a Cuenta already remitted to arrive at the net ISR balance due.
For clients registered for ISV, reconcile each monthly D-01 return (filed via VirtualSAR by the last business day of the following month). Verify that output ISV on sales (Casilla A at 15%, Casilla B at 18%) and input ISV credits on purchases (Casilla F, requiring valid factura with CAI) have been correctly calculated and filed. Carry forward any crédito excedente. Flag any months where D-01 was late or missing.
Prepare and file the annual Declaración Jurada del ISR — Persona Natural (Form 102 / 102-1) on DET Live (detlive.sar.gob.hn) before the 30 April deadline. Enter the Renta Neta Gravable, progressive ISR, Aportación Solidaria, and Pagos a Cuenta credits. Arrange payment of any balance due via the SAR-authorised banking channels. Retain the SAR-stamped filing confirmation and payment receipt for the client's records.
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