Singapore legislation
Section 13
Section 13
Antedating and post-dating
(1)
Where a bill or an acceptance or any indorsement on a bill is dated, the date shall, unless the contrary is proved, be deemed to be the true date of the drawing, acceptance, or indorsement, as the case may be.
(2)
A bill is not invalid by reason only that it is antedated or post‑dated.