Under Section 16 of the Postal Services Act (Cap 237A), IMDA may, from time to time, issue or approve any specifications relating to the number, place, dimensions and other characteristics of letter boxes, or amend and revoke such specifications. IMDA shall also publish a notice of the issue, approval, amendment or revocation, as the case may be, of the specifications.

Learn about IMDA's Postal Identifier Marks and how they ensure compliance with postal regulations and standards in Singapore.

IMDA has received enquiries from members of the industry on whether a person could provide Mailroom services to businesses and corporations in Singapore, without infringing the monopoly rights granted to Singapore Post Ltd ("SingPost").

The Info-communications Media Development Authority (IMDA) owns the copyright in all Singapore postage stamps and philatelic materials.

As postage stamps are widely used to reflect and showcase a country's history, culture, values and national achievements, the Stamp Advisory Committee (SAC) was set up in May 1994 to advise IMDA and the Government on general philately matters.