Submission of GST Returns (CorpPass) (Sandbox) 1.0.1

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Description

The APIs allow accounting software developers to incorporate within their accounting software the feature for authorised taxpayers to validate and submit GST information (GST Returns, Transaction Listings) to IRAS directly. (Note: This is only open to developers who are invited to participate in the pilot.)

Documentation

Attachment	Size
IRAS File GST Return (GST F5 and F8) (CorpPass) API Services Interface Specification v1.1	541.67 KB
IRAS Edit Past GST Return (GST F7) (CorpPass) API Services Interface Specification v1.1	529.81 KB
IRAS GST API Submission Format and Front-End Validations v1.2	358.56 KB
IRAS GST Submission GST F5F7F8 Test Case Scenarios v1.4 (Updated 6 Oct 2021)	196 KB

Note:

API Deprecation Notice
Please take note that the Submission of GST Return (GST F5) (CorpPass) API is DEPRECATED and have been replaced by File GST Return (GST F5 and F8) (CorpPass) API.

API Name	API Service Endpoint URL	Status	Description
Submission of GST Return (GST F5) (CorpPass)	https://apisandbox.iras.gov.sg/iras/sb/gst/submitF5ReturnCorpPass	DEPRECATED	This API is replaced with the new File GST Return (GST F5 and F8) (CorpPass) API.
File GST Return (GST F5 and F8) (CorpPass)	https://apisandbox.iras.gov.sg/iras/sb/gst/submitF5F8ReturnCorpPass	ACTIVE	Use this API for testing and integration.

Tax Agent Support
Please take note that the Submission of GST Returns APIs do not support Tax Agent use currently at this time. This means that Tax Agents will not be able to file on behalf of their clients using software integrated with these APIs.However, there are plans to incorporate support for Tax Agent use in the near future.

API Document Change Log
Refer to the following change log for any updates made to documents related to this API.

S/N	Date	Version	Updated Document	Changes
1	20-Apr-2021	1.3	IRAS GST Submission GST F5F7F8 Test Case Scenarios v1.3 (Updated 22 Apr 2021).xls	Amended the “1.F5F8F7_FrontendValidations” Tab – FE8: GST F7 Box 12: Did you claim for GST you had refunded to tourists? when Box 12 <> 0 Box 13: Did you make any bad debt relief claims and/or refund claims for reverse charge transactions? when Box 13 <> 0 Box 14: Did you make any pre-registration claims? when Box 14 is <> 0
2	20-Apr-2021	1.2	IRAS GST API Submission Format and Front-End Validations v1.2.pdf	Added front-end validation rule for GST F7 under the section “Front-end Validations” for error message “Please select Yes if you are claiming for Tourist Refund/Pre-registration claim/Bad debt relief claim.” on page 11.
3	6-Oct-2021	1.4	IRAS GST Submission GST F5F7F8 Test Case Scenarios v1.4 (Updated 6 Oct 2021).xls	Amended the values in “3.Formatting” Tab under the Request Payload scenarios. "totStdSupply": "65432.12” "totZeroSupply": "-55432.15" "totTaxPurchase": "-465432.95” "totExemptSupply": "35432.19” "inputTaxRefund": "133567.89"