Section 377A of the Penal Code of Singapore is
the main remaining piece of legislation which criminalises sex
between mutually consenting adult men.
Section 377A ("Outrages on decency") states that:
Any male person who, in public or private, commits, or abets the
commission of, or procures or attempts to procure the commission by
any male person of, any act of gross indecency with another male
person, shall be punished with imprisonment for a term which may
extend to 2 years.