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Learning Centre/Digital Economy

GST/HST and the Digital Economy: The Simplified Registration Trap

Why ITCs on AWS, Azure, and Salesforce invoices may be non-recoverable

7 min readDigital Economy
Type 25Simplified RegistrationSaaS

The July 2021 Change

On July 1, 2021, Canada implemented new GST/HST rules for non-resident vendors of digital products and services. Foreign businesses that supply digital services to Canadian consumers can now register under a simplified registration framework.

Key difference: Vendors registered under simplified registration collect GST/HST but cannot issue invoices that support ITC claims.

Why This Matters for Businesses

If you're a GST/HST registrant purchasing cloud services from a simplified-registration vendor, the tax they charge you is a sunk cost — you cannot claim it back as an ITC.

Affected Services

  • Cloud computing (AWS, Azure, GCP)
  • SaaS platforms (Salesforce, HubSpot, Atlassian)
  • Digital advertising (Google Ads, Meta Ads)
  • Streaming and content services
  • Software subscriptions

The Hidden Cost

A company spending $500,000/year on cloud services could be paying $25,000+ in non-recoverable GST/HST — tax that they assume is recoverable because it shows up as a line item on the invoice.

How to Identify Simplified Registration Vendors

Simplified registration numbers start with different characters than standard registration numbers. However, many businesses don't check because the invoice format looks identical.

The correct approach:

  1. Check the vendor's registration number against the CRA registry
  2. Determine if they're registered under standard or simplified registration
  3. If simplified: the GST/HST is non-recoverable

The Self-Assessment Alternative

For some services from non-resident vendors, you may need to self-assess GST/HST under ETA s.218.1 rather than paying it to the vendor. This actually works in your favour — the self-assessed tax IS recoverable as an ITC for commercial use.

How Input Recovery Catches This

  • Type 25: Identifies invoices from known simplified-registration vendors and flags the ITCs as non-recoverable
  • Type 5: Detects missing self-assessment on foreign vendor services where self-assessment would have produced a recoverable ITC

The difference between paying tax to a simplified vendor vs. self-assessing can be worth tens of thousands per year for businesses with significant cloud/SaaS spending.

For a deeper dive, see our case study on the Simplified Registration Vendor Trap.

Related detection types

Input Recovery automatically checks for these issues when you upload your AP data:

Type 5Type 25

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