Singapore legislation
Regulation 5
of Building and Construction Industry Security of Payment Regulations
Regulation 5
Payment claims
Subregulation 1
Where a contract does not contain any provision specifying the time at which a payment claim must be served or by which such time may be determined, then a payment claim made under the contract must be served by the last day of —
the month following the month in which the contract is made; or
any subsequent month.
Subregulation 1A
For the purposes of paragraph (1), only one payment claim made under a contract may be served in each month.
Subregulation 2
Every payment claim shall —
be in writing;
identify the contract to which the progress payment that is the subject of the payment claim relates; and
contain details of the claimed amount, including —
a breakdown of the items constituting the claimed amount;
a description of these items;
the quantity or quantum of each item; and
the calculations which show how the claimed amount is derived.
Subregulation 3
In this regulation, “month” means a period of time beginning on the first day of each of the 12 calendar months into which a year is divided, and ending on the last day of each of these months.