New York State Department of Taxation and FinanceCorporation Tax MeF Acceptance Testing System for Tax Year 2025

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Test 6—CTEF51

Blank or zero field values are not included. Fields requiring software calculations are not provided. Automated clearing house debit payment is required if test results in a balance due. Please use the two-digit codes provided to you to replace the 6th and 7th digits in each test employer identification number.

Test Scenario

Extension request for first tax year being included in a new combined group filing

Extension form: CT-5.1
Liability period: 01-01-2025–12-31-2025
Employer Identification Number: 00219XX06
Legal Name: CTEF51 (followed by a space, then your software ID)
File number: Software calculated 
Telephone number: 518-555-2626
Address: 51 WA Harriman Campus, Albany, NY 12227
State of incorporation: New York State
Date of incorporation: 05-10-2000
Main returns: CT-3, CT3-M
Line A. Employer Identification Number of combined group’s designated Agent: 002945681
Line B. If this additional extension request is for the first tax year you are being included in a new combined group filing a combined return, mark an X in the box: (check this box)
Explain in detail why you need additional time to file: We need more time to access financial records