Guides you through Panama's Impuesto de Transferencia de Bienes Corporales Muebles y la Prestacion de Servicios (ITBMS) monthly return filed via E-Tax 2.0, producing a completed Formulario 430 with output tax, recoverable input tax, reverse-charge on imported services, and partial-exemption apportionment where applicable.
Confirm the client is registered for ITBMS with the Dirección General de Ingresos (DGI) and obtain their RUC. Verify the filing period (standard monthly), industry sector, and whether any special-regime status applies (Zona Libre de Colón, SEM, Ciudad del Saber). If annual taxable operations are below USD 36,000 and the client is not voluntarily registered, ITBMS obligations do not apply — stop and document.
Gather all sales invoices for the period and classify each transaction by ITBMS rate: 7% standard, 10% alcohol/accommodation, 15% tobacco, 0% exports, or exempt. Identify any imported services received from non-resident suppliers that require self-assessed reverse-charge output ITBMS at 7%. Note: services provided by regulated professions (lawyers, doctors, engineers, architects, CPAs) are exempt from ITBMS even when imported.
Compile all purchase invoices and customs entries for the period. Identify blocked input ITBMS (entertainment, passenger motor vehicles, personal use) that cannot be recovered. Apply partial-exemption apportionment if the client makes both taxable and exempt supplies; for businesses with foreign-source (non-ITBMS) operations under Panama's territorial tax system, determine the apportionment percentage before claiming credits.
Populate Formulario 430 Section III (Liquidación) by computing net ITBMS due (output minus deductible input), then applying any credit balance carried forward (saldo a favor anterior) and ITBMS withholding credits (retenciones) held by government or designated withholding agents. The result is either a net liability to pay or a new saldo a favor to carry forward to the next period.
Lodge the finalised Formulario 430 through the DGI E-Tax 2.0 portal (dgi.mef.gob.pa) and make payment by the 15th of the month following the return period. Save the DGI acknowledgement reference. File all supporting invoices, import entries, and the signed return for the mandatory 5-year retention period under the Código Fiscal and Código de Comercio.
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