On the 941 Form, line 2 is wages subject to FIT (Federal Income Tax), line 5a is wages subject to FICA and line 5c are wages subject to Medicare.

If line 2 is less than the others, you have employees marked as exempt from FIT or they have deductions being withheld that are exempt from FIT.

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The 941 instructions tell you to enter the taxable FIT wages that will be displayed in box 1 of the W2 Form.

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And the W2 Form show that it is the taxable wages, not the gross wages.

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