Section 13. Employment Tax Returns›3.12.13 Employment Tax Returns
Section 01 (Form CT-1)
Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States
The following sections provide information concerning Form CT-1, Section 01.
Field Designator
Field Length
Title of Field
Location on Return
01NC
4
Name Control/Ck Digits
Entity Portion
01EIN
9
Employer's Identification Number
Entity Portion
01TXP
4
Tax Period
In the lower right portion of the entity area
01CCC
10
Computer Condition Codes
On the bottom margin near the center of return
01ARN
1
Applied Refund Indicator
Bottom right side of the return, below line 18.
01RCD
8
Received Date
Middle of Return
01CRD
8
Correspondence Received Date
Previously edited in the upper left corner of the return on the left margin. However, the field is no longer edited by Code and Edit If needed, ERS should edit the CRD to the upper left corner of the return on the left margin.
01CBI
1
Designee Check box Indicator
Towards the right margin above the third-party signature line.
01PSN
9, (a P and 8 numerical characters)
Paid Preparer's Taxpayer Identification Number (PTIN)
Beneath taxpayer's signature line on the right side of the Form CT-1.
01PEN
9
Paid Preparer's EIN
Beneath Paid Preparer's PTIN on the right side of the Form CT-1.
01PTN
10
Paid Preparer's Telephone Number
Bottom right-hand corner of the Form CT-1.
01CBP
5
Designee Check box PIN
Towards the right margin above the third-party signature line.
Correcting Section 01 Screen Errors¶
The instructions for correcting screen errors for Form CT-1 are the same as for Form 941. Below are the referenced subsections where the information can be found.
Field 01NC. See IRM 3.12.13.25.1.
Field 01EIN. See IRM 3.12.13.25.2.
Field 01TXP. See IRM 3.12.13.25.3.
Field 01CCC. See IRM 3.12.13.25.5.
Field 01ARN. See IRM 3.12.13.25.11.
Field 01RCD. See IRM 3.12.13.25.4.
Field 01CRD. See IRM 3.12.13.25.10.
Field 01CBI. See IRM 3.12.13.25.12.
Field 01PSN. See IRM 3.12.13.25.14.
Field 01PEN. See IRM 3.12.13.25.15.
Field 01PTN. See IRM 3.12.13.25.16.
Field 01CBP. See IRM 3.12.13.25.13.
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