MFT-CD 13 has to be calendar year with Reference Number 628.›Section 40 - Doc Code 51 Only
Section 40 - Fields A through Z Descriptions
Internal Revenue Manual Part 3. Submission Processing · 2026-10-03 edition · updated 2026-10-04 · United States
Listed below are the fields contained in Section 40.
The alpha-field designator, field length (maximum length for variable fields) and the field title is shown below.
Field
Field Length
(+/−)
Field Title
40-A
13
Adj. total of inc. tax withheld (Form 943, Form 945, and Form 941--MFT 01- posted prior to 12/31/2004).
40-B
13
Taxable Social Security Wages (Form 941, Form 943, Form 944 and Form 945) (This is also referred to in the programming document as , Taxable FICA Wages Paid Amount)
40-C
13
+/-
Taxable Social Security Wages for qualified sick leave (Form 941, 943, 944)
40-D
13
+/-
Taxable Social Security Wages for qualified family leave (Form 941, 943, 944)
40-E
13
Taxable Social Security Tips (Form 941 and Form 944) (In the program, this is Taxable Tips Reported Amount.)
40-F
13
Taxable Medicare Wages and Tips (Form 941 and Form 944) (In program specifications this is Taxable Hospital Insurance Benefits Wages.)
40-G
13
+/-
Additional Taxable Medicare Wages and Tips (Form 941, Form 943 , Form 944 & Form 1041 )
40-H
13
+/-
Exempt Wages/Tips Paid to Qualified Employees (Form 941, Form 943, and Form 944) (The program specifications calls this Qualified Employer Exempt Wage/Tip Paid Amount)
40-I
13
+/-
Section 3121Q Taxable Amount
40-J
13
+/-
Fractions of Cents (Form 941)
40-K
13
+/-
Current Quarter's Sick Pay Amount (Form 941) Form 944 Current Year's Adjustment (Programming specifications refer to this as CURR-QTR's - Sick Pay (Form 941) Form 944 Current yrs. Adj.)
40-L
13
+/-
Current Quarter's Tips and Group Term Insurance Adjustment (Program specifications refer to this as, CURR-QTR- Tips and Group Term Life Insurance Adjustment.)
40-M
13
+/-
Qualified Small Business Credit - Form 8974 (Form 941, Form 943, and 944)
40-N
13
+/-
Nonrefundable portion of credit for qualified sick and family leave wages (Form 941, 943, 944, CT-1)
40-O
13
+/-
Nonrefundable portion of employee retention credit due to the COVID-19 crisis (Form 941, 943, 944, CT-1)
40-P
13
+/-
Nonrefundable portion of credit for qualified sick and family leave wages for leave taken after March 31, 2021 (Form 941, 943, 944, CT-1)
40-Q
13
+/-
Nonrefundable portion of COBRA premium assistance credit (Form 941, 943, 944, CT-1)
40-R
13
+/-
Income Tax Withheld Adj. (Form 941 (Current Year), Form 944 (Prior Year) (Program specifications refer to this as, Income Tax Withholding - Adjustment. (Form 941 (Current Year), (Form 944 (Prior Year).
40-S
13
+/-
SS and Med. Tax - Adj. (Form 941, Form 943, Form 944 and Form 945) (Program specifications refer to this as Social Security and Medicare Tax - Adjustment (Form 941, Form 943, Form 944 and Form 945.)
40-T
13
+/-
Special Additions to Federal Income Tax (Form 941 and Form 944)
40-U
13
+/-
Special Additions to Social Security and Medicare Tax (Form 941 and Form 944)
40-V
13
+/-
Total Income Tax Withheld from wages (Form 941 and Form 944) posted after 12/31/2004
40-W
13
Tips Deemed Wages (Sec 3121g)
40-X
13
+/-
Total Backup Withhold Adj. (Form 945)
40-Y
13
Gross Income Paid (Form 1042)
40-Z
13
+/-
RR Retirement Tax Adj (Form CT-1)
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