# Administrative and tax obligations for Spanish self-employed > Live situation record from CLSTR: https://clstr.news/situations/administrative-and-tax-obligations-for-spanish-self-employed > Updated: 2026-09-02T11:17:10.000Z. Sources: 11. Developments: 2. Self-employed workers in Spain are navigating various administrative, financial, and regulatory requirements. In late August, workers faced deadlines for adjusting Social Security contribution bases under the Special Regime for Self-Employed Workers (RETA). Additionally, in Andalusia, entrepreneurs were eligible for startup aid and ‘zero quota’ programs, offering up to 6,500 euros in combined support through September 30. Compliance also involves specific accounting obligations that vary by tax regime. Those under simplified direct estimation must maintain registries for sales, income, and expenses, while mercantile business activities under normal direct estimation must adhere to the General Accounting Plan and the Commercial Code. Requirements differ for those using objective estimation or modules, and generally, self-employed individuals are not required to file annual accounts with the Mercantile Registry unless they operate as limited liability entrepreneurs. ## Timeline ### 2026-09-02: Accounting obligations for self-employed individuals in Spain Self-employed individuals in Spain face varying accounting obligations depending on their tax regime, ranging from simple income and expense registries to full commercial accounting. 2 sources. https://clstr.news/cluster/accounting-obligations-for-self-employed-individuals-in-spain ### 2026-08-31: Self-employed workers in Spain face key administrative and subsidy deadlines Spanish self-employed workers face key deadlines in September, including Social Security contribution adjustments and Andalusia's startup aid applications, which offer up to 6,500 euros in support. 9 sources. https://clstr.news/cluster/self-employed-workers-in-spain-face-key-administrative-and-subsidy-deadlines --- Cite as: Administrative and tax obligations for Spanish self-employed. CLSTR, https://clstr.news/situations/administrative-and-tax-obligations-for-spanish-self-employed