19/11/2025
Filing of the YA 2025 Form C-S, Form C-S (Lite) or Form C by 30 Nov 2025 is mandatory for all companies, including dormant companies that did not carry on business and had no income for the entire basis period, unless they have obtained a waiver to file the return.
Find out how to file as a dormant company or how to apply for a waiver at go.gov.sg/irasdormantcompanies.