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Singapore tax forms
Browse official-form metadata for Singapore. Each record is structured so the library can scale to full country coverage without changing route patterns.
Country
Singapore
Public beta forms
1
Authority
IRAS
IRAS Form Form C-S/C
Singapore Corporate Income Tax Return
Annual corporate income tax return for Singapore companies; Form C-S is simplified for small companies.
Who must file: Singapore-resident companies and foreign companies with Singapore-source income subject to Singapore corporate tax.
Revision year: 2024
Methods: efile
Category: corporate-income
Primary sources
- IRAS: Corporate income taxVerified 2026-05-20
Important disclaimer
This library is for general tax education only. Always verify filing obligations, due dates, and tax consequences against the cited primary source or with a qualified tax professional.