2025 Printable Template
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Form last updated: 03/2024. Please verify this is the current version before use.
Easily complete & submit your GST370 form
Follow these simple steps to fill, sign, and send your GST370 form online.
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Sign the form
Add your electronic signature to the fillable GST370 form to certify it came directly from you.
Send it to the requester
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How to fill out a GST370 online?
Follow these steps to complete your GST370 form online.
Step 01
Access the form from the Canada Revenue Agency website or a PDF editor.
Step 02
Complete Parts A, B, and D accurately.
Step 03
If applicable, have an authorized officer fill out Part C.
Step 04
Retain supporting documents for your records.
Step 05
Submit the form with your income tax return.
What is a GST370 used for?
Who needs to fill out a GST370 form
What is Form GST370?
When is Form GST370 due?
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