Singapore legislation
Regulation 20
Regulation 20
Continuous supplies of services
Subregulation 2
Where services are supplied for a period for a consideration the whole or part of which is determined or payable periodically or from time to time, under an agreement which provides for successive payments, and the supplier at or about the beginning of any period not exceeding 12 months, issues a tax invoice containing, in addition to the particulars specified in regulation 11, the following particulars:
the dates on which payments under the agreement are to become due in the period;
the amount payable (excluding tax) on each such date; and
the rate of tax in force at the time of issue of the tax invoice and the amount of tax chargeable in accordance with that rate on each of such payments,the services shall be treated as separately and successively supplied whenever a payment in respect of them becomes due or is received, whichever is the earlier.
Subregulation 3
Where, on or before any of the dates that a payment is due as stated on an invoice issued under paragraph (2), there is a change in the tax chargeable on supplies of the description to which the invoice relates, that invoice shall cease to be treated as a tax invoice in respect of any such supplies for which payments are due after the change.