RUC Number in Paraguay
The RUC (Registro Unico de Contribuyentes) is Paraguay's unique taxpayer identification number issued by the SET (Subsecretaría de Estado de Tributación). It is the equivalent of a tax ID or TIN and is required for all tax-related activities, business operations, and formal economic transactions in Paraguay.
How It Works in Paraguay
Every person or entity engaging in taxable activities in Paraguay must obtain a RUC from the SET. The RUC is used for filing tax returns, issuing invoices, and conducting formal business transactions. Individuals obtain a RUC linked to their cédula (national ID) or passport. Companies receive a RUC upon incorporation. The registration process can be done online through the SET Marangatu system or in person at SET offices. Different RUC categories exist depending on business size and tax regime (IRACIS, IRPC, RESIMPLE, or IRP).
Global Comparison
The RUC system is comparable to the SSN/EIN in the United States, the NIF in Spain, or the CNPJ/CPF in Brazil. Paraguay's system is notable for being relatively straightforward to obtain compared to many countries. Registration can be completed within a few days, and the SET has progressively digitized the process through its Marangatu online platform.
Frequently Asked Questions
Do I need a RUC if I only have rental income in Paraguay?
Yes. If you earn rental income from property in Paraguay, you need a RUC to properly report and pay taxes on that income. Rental income is considered Paraguayan-source income and is subject to either IRP (personal income tax) or IRACIS depending on the amount and nature of your activities.
How long does it take to get a RUC number?
For individuals, a RUC can be obtained within 1-3 business days through the SET's online Marangatu system. For companies, it typically takes 3-5 business days after the company is formally registered with the commercial registry. The process requires presenting identification documents, proof of address, and the relevant business registration paperwork.
Can a foreign resident get a RUC in Paraguay?
Yes. Foreign residents with a valid cédula de identidad (issued upon obtaining residency) can register for a RUC. Non-residents can also obtain a RUC in certain circumstances, such as when they own property or have business interests in Paraguay, using their passport as identification.
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Last reviewed: February 2026