This article is for businesses who plan to enter into Government projects that are up for bidding. So read on
The answer to the question is Revenue Regulation 3-2005 click here to view the said regulation.
The rules and regulation for implementing Executive Order No. 398 and requiring timely and complete payment of taxes as a precondition for entering into and as a continuing obligation in Contracts with Government.
Under this regulation, eFPS Filing is MANDATORY. Effective April 1, 2005, all prospective participants to any government procurement of goods and services are MANDATED to file their income and business tax returns and other required information ELECTRONICALLY using Electronic Filing and Payment System (EFPS).
EPFS registration is also one of the requirements to avail of a Tax Clearance Certificate to enter into Government Projects that are for bidding.