Overview
Table of Contents
- CPA‑005 & ATB Format Overview
- Step-by-Step ATB Canadian EFT Setup EFT
- ID Structure for ATB
- Frequently Asked Questions (FAQs)
CPA-005 & ATB Format Overview
ATB uses the Canadian Payments Association (CPA) Standard 005, 1464-byte fixed-width EFT file format.
Key points:
- Uses CPA‑005 Canadian EFT standard
- Requires Destination Data Centre identification
- EFT ID is derived from data centre + transit number
For Alberta Treasury Bank (ATB):
- Destination Data Centre: 21990
- EFT ID: Data Centre Number + Transit Number
Step-by-Step: ATB Canadian EFT File Setup
Step 1: Open Canadian EFT Settings
Step 2: Select Alberta Treasury Bank (ATB)
- From the bank list, select Alberta Treasury Bank (ATB)
- Enter or confirm the Destination Data Centre
Step 3: Enter Company & Banking Information
- Short Company Name (up to 15 characters, recommended uppercase)
- Long Company Name (up to 30 characters)
- Originator / Company ID (provided by ATB)
- Bank Account Number
- Routing / EFT ID based on ATB format
Step 4: Configure EFT ID Structure
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Ensure EFT ID is properly constructed using:
- Data Centre (21990)
- Transit Number
- Confirm accuracy with ATB specifications before file submission
Step 5:
EFT ID Rules for ATB
- Combine Destination Data Centre + Transit Number
- Validate format prior to submission
- Follow ATB Appendix B validation rules when applicable
Appendix B—EFT file validations
Frequently Asked Questions (FAQs)
1. Does ATB use CPA‑005 format?
Yes. ATB uses the CPA‑005 Canadian EFT standard.
2. How is the EFT ID created?
It is built by combining the Destination Data Centre (21990) with the transit number.
3. Are there validation requirements?
Yes. ATB references validation rules (Appendix B) that should be followed when generating files.




