Consulta Retenção na Fonte

RN APOIO ADMINISTRATIVO LTDA.

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About this app

Received an invoice to analyze?

The Withholding Tax Consultation tool organizes IRRF (Income Tax Withheld at Source), INSS (National Social Security Institute), and CSRF (Social Security Contribution on Revenue) information to support public sector professionals in verifying withholdings before payment.

Developed for routine settlement, auditing, accounting, treasury, and payment, the application allows you to locate services, consult tax rates, observations, and legal basis, and calculate withholding amounts in a single workflow.

MAIN FEATURES

• Search by code or keyword
• IRRF, INSS, and CSRF gathered in a single tool
• Indication of tax rates, observations, and legal basis
• Withholding and net amount payable calculator
• Informative and normative guidelines
• Rules applicable to situations involving municipal, state, and federal agencies

FOR WHOM IT IS FOR

Professionals who work in invoice analysis, settlement, auditing, accounting, treasury, contracting, and payment in the public sector.

FROM CONTRACTING TO PAYMENT

This tool can be used both for analyzing invoices and for preliminary consultation of expected withholdings during contracting.

SOURCES AND RESPONSIBILITY

The information and legal bases provided in this application are sourced from official public legislation maintained by the following government portals:
• Brazilian Federal Revenue Service: https://www.gov.br/receitafederal
• Federal Legislation / Planalto Portal: https://www.planalto.gov.br
• Complementary Law No. 116/2003: https://www.planalto.gov.br/ccivil_03/leis/lcp/lcp116.htm
• RFB Normative Instruction No. 1,234/2012: http://normas.receita.fazenda.gov.br

The Withholding Tax Consultation tool is a private and independent tool. It does not represent, is not linked to, and is not affiliated with any government agency or entity.

The application is a tool to support consultation and verification and does not replace the technical evaluation of the responsible professional.

Developed by RN APOIO ADMINISTRATIVO LTDA - CNPJ 51.571.242/0001-76.

What’s new

🎉 Lançamento Oficial do Retenções na Fonte!
Confira as principais funcionalidades desta versão:
• Consulta Rápida: Alíquotas, bases legais e regras de IRRF, INSS e CSRF.
• Calculadora de Retenções: Cálculo instantâneo do valor líquido a pagar.
• Cobertura Ampla: Regras para órgãos Municipais, Estaduais e Federais
• Módulo de Informativos: Acesso a resumos e orientações normativas.
• Busca Inteligente: Localização simplificada por códigos da Lei 116, NBS, NCM ou palavras-chave da descrição.