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RESOLVED: Alberta AT1 Error 10020

Error 10020 occurs when you attempt to file an AT1 return created in the 2024 T2 module rather than the updated 2025 T2 module. Convert the file to solve the issue.

known issue AT1 T2 Alberta Finance
Riyam
2026-03-25
RESOLVED: Quick Fix for CCA RIIP Calculations Not Working in Coupled T1 Returns

When returns are coupled in TaxCycle T1, the Quick Fix solution to apply RIIP measures to CCA calculations may not work as expected.

known issue T1 CCA RIIP
Riyam
2026-03-20
RESOLVED: Pension Splitting Paragraph in the Client Letter

We've discovered an issue with the Pension income splitting paragraph in the English Client Letter (CLetter) in TaxCycle T1.

known issue templates T1
Riyam
2026-03-13
RESOLVED: Gmail® and Microsoft 365® Outlook Connection Issues

Gmail® and Microsoft 365® (Outlook) integrations may stop working if TaxCycle has been left open for an hour or more.

known issue email
Riyam
2026-03-06
RESOLVED: Capital Gains Reserves on T3 S2 Not Flowing to Box 30 on T3 Slips

Capital gains reserves reported on T3 S2 for QSBCS or QFFP are not correctly flowing to box 30 on T3 slips.

known issue T3
Riyam
2026-03-03
RESOLVED: Persistent Review Message for CCA Class 43.1 or 43.2 on T2 Schedule 8

Selecting class 43.1 or 43.2 in the CCA Class number column on T2SCH8 results in a persistent review message even after completing all required information in the table row.

known issue T2
Riyam
2026-03-03
RESOLVED: T2 Transmission Rejected Due to Systems Maintenance

Users may receive an error message when attempting to file T2 returns.

known issue T2
Riyam
2026-03-02
RESOLVED: TaxFolder Email Delivery Delays to Hotmail, Outlook and Live.ca

Some emails sent from TaxFolder to Hotmail, Outlook and live.ca recipients are currently experiencing delivery delays or appearing as "deferred" in TaxFolder.

known issue TaxFolder
Jocelyne
2026-02-25
RESOLVED: RL-15 Electronic Filing Error 50572

TaxCycle T5013 returns an error when attempting to electronically file the RL-15.

known issue T5013
Jocelyne
2026-02-24
RESOLVED: T1135 Data Not Retained in TaxCycle T1

TaxCycle T1 is incorrectly clearing data from the T1135 form when attempting to add new lines or edit data.

known issue T1135 T1
Jocelyne
2026-02-24
RESOLVED: Québec Tax Data Download Access

TaxCycle is incorrectly displaying a message stating the Québec TDD service is closed until February 2027.

known issue Québec
Jocelyne
2026-02-23
RESOLVED: EFILE Details Missing in 2025 T1 Client Letters

The EFILE transmission date and confirmation number are missing from the 2025 client and joint client letters in TaxCycle T1.

known issue templates
Jocelyne
2026-02-23
RESOLVED: DoxCycle Import and Scan

DoxCycle returns an error when attempting to import or scan documents if the Custom Classifier was previously enabled in Options.

known issue DoxCycle
Riyam
2026-02-06
RESOLVED: T5013FIN S100 XML Readability Error

TaxCycle version 15.0.60095.0 is causing a readability error in the S100 XML in the T5013FIN transmission.

known issue T5013
Riyam
2026-02-05
RESOLVED: CO-1029.8.33.13 Line 28e Must Be Equal to Line 27

Line 28e on the CO-1029.8.33.13 must be equal to line 27.

known issue CO-17
Riyam
2026-01-29
RESOLVED: T5013 Summary and Slips Filing Error

The latest version of TaxCycle returns an error when attempting to transmit the T5013 Summary and Slips.

known issue T5013
Riyam
2026-01-26
RESOLVED: Template Overrides by Typing

Typing directly into a template fails to trigger an override when the Allow template overrides by typing option is selected.

known issue templates overrides
Riyam
2026-01-26
RESOLVED: Error When Batch Sending Emails from the Client Manager

TaxCycle returns an error when attempting to batch send emails from the Client Manager.

known issue client manager templates
Riyam
2026-01-15
RESOLVED: Template Editor Preview

Multi-year custom templates with the T1TY* property do not preview correctly in the Template Editor.

known issue templates Template Editor
Riyam
2026-01-13
RESOLVED: T5013 Filing Error

The latest version of TaxCycle is returning an error when attempting to transmit a T5013 return.

known issue T5013
Riyam
2026-01-13
RESOLVED: Docusign Notifications

Docusign® notifications are not updating in TaxCycle

known issue Docusign
Jocelyne
2025-12-15
RESOLVED: Unable to Access Completed Documents in TaxFolder

We are aware of an issue where clients are unable to access signed documents in TaxFolder.

known issue TaxFolder
Riyam
2025-12-01
RESOLVED: Error When Accessing Documents in TaxFolder

We are aware of an issue where clients are unable to open documents in TaxFolder.

known issue TaxFolder
Riyam
2025-11-24
RESOLVED: Incorrect ACDE and ACOGPE Rates on AT1 Schedule 15

TaxCycle T2 is incorrectly applying the pre-2024 rates of 15% for ACDE and 5% for ACOGPE on the AT1 Schedule 15.

known issue AT1
Riyam
2025-11-05
RESOLVED: T5013-FIN and T5013 Slips Filing Error

The latest version of TaxCycle is not transmitting T5013-FIN and T5013 slips via Internet File Transfer (XML).

known issue T5013
Riyam
2025-10-08
RESOLVED: T2 S341 is Missing the 1.5% Rate for New Small Businesses

T2 S341 is missing the 1.5% tax rate for new small businesses.

known issue T2
Riyam
2025-09-16
RESOLVED: T3 Alberta Provincial Tax Calculation Error

TaxCycle is not calculating provincial tax for Alberta T3 returns when the taxable income is between $241,974.01 and $362,961.

known issue T3 Alberta
Elizabeth
2025-08-28
RESOLVED: T2 CO-17 "Index is out of range" Carryforward Error

TaxCycle T2 version 14.2.56699.0 fails when attempting to carry forward a CO-17 return.

known issue T2
Riyam
2025-07-02
RESOLVED: T2 S322 Doubling Taxable Income for PEI

For multi-jurisdictional (MJ) corporations with a jurisdiction in Prince Edward Island (PEI), the taxable income amount on line 1A of Schedule 322 is incorrectly doubled.

known issue T2 PEI
Riyam
2025-07-02
Known Issue: T2 "Method is not Valid for MultipleSnapshot" Error

If you attempt to open or convert a .2025T2 file with an active comparative snapshot in version 14.2.56699.0, TaxCycle displays a fatal error.

known issue T2 snapshot
Riyam
2025-05-29