2025-12-21 (Tax Year 2025 for Letters, Questionnaire, and Custom DRL, New API calls)
December 21, 2025, TaxCaddy release notes
Create your clients' 2025 DRLs
The ability to create and send custom TaxCaddy DRLs is now available for the 2025 tax year. Select 2025 from the
TAX YEAR
dropdown, then select Create Custom DRL
from the Manage Clients
dropdown to get started.note
Attention UltraTax CS customers:
An additional UltraTax CS integration setup is required to complete DRL and create binders for tax year 2025. Please ensure that you complete the one-time setup. Without this step, you will NOT
be able to create a Document Request List (DRL) in TaxCaddy or create binders for tax year 2025.Refer to the
Action Required: Activate New SurePrep-UltraTax CS Integration
article in the Related Content
section for full documentation.
Send 2025 Letters and Questionnaire
You can now send your firm's questionnaire and letters for the 2025 tax year. Select 2025 from the Client Management screen's
TAX YEAR
dropdown then from the MANAGE CLIENTS
dropdown, select: - 2025 - Questionnaireto send your questionnaire.
- Any letter listed in theLETTERS FROM TEMPLATESsection to send a letter.
Users have the option to create a new questionnaire from scratch or roll over their previous year's questionnaire if they'd prefer to reuse the prior year's content.

Users can create new letter templates that they can send to their clients through
CLIENT MANAGEMENT
. You have the option to either create new letter templates from scratch or upload a file that can be sent as a template. New API calls
We've introduced new TaxCaddy API calls that can streamline your firm's tax preparation processes even further.
note
The official documentation is coming soon to the Thomson Reuters Developer Portal. However, you can contact SurePrep Support if you would like to begin development now.
New TaxCaddy API calls include:
- TaxCaddyDocumentCategories: Lets API users authorized with TaxCaddy & TaxCaddy Admin permissions to retrieve all document categories (default & custom) for a firm based on tax return type and year. This API exclusively supports 1040 return type.
- SendDocumentUploadRequest: Lets API users send multiple document upload requests for a single Tax Client ID in one API call. Supports 1040 tax return type, and provides confirmation responses with detailed status for each request.