TaxTMI 
TaxTMI 
XYZ issued Service Invoice towards rental charges for laboratory equipment. The period contract is for the period 31.07.2018 to 02.11.2018 and the Invoice for the same is issued on 01.12.2018. Is it in line with the provisions under GST? If not, on which date invoice was required to be issued?
Time of supply for preparing Service Invoice
04 Jan 2019 
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Time of supply: service invoices must be issued within thirty days of supply, subject to contract payment terms.
An invoice for a taxable supply of services must be issued within the statutory short period measured from the date the service is provided; for a contract spanning 31.07.2018 to 02.11.2018 invoices therefore must be issued within that period following provision of each service. Invoice issuance within thirty days of the supply of services is the operative requirement, and contract payment terms may affect billing practice. (AI Summary)
An invoice for a taxable supply of services must be issued within the statutory short period measured from the date the service is provided; for a contract spanning 31.07.2018 to 02.11.2018 invoices therefore must be issued within that period following provision of each service. Invoice issuance within thirty days of the supply of services is the operative requirement, and contract payment terms may affect billing practice. (AI Summary)