What is a 941 Schedule B?
Form 941 Schedule B accompanies the 941 as a daily report of an employer's tax liability for federal income tax withheld from employees, as well as the employer's share of Social Security and Medicare taxes during the period. A 941 Sch. B must be mailed or e-filed to the IRS, if applicable.
Why do I file 941 Sch. B?
If applicable, 941 Schedule B forms must be filed so the IRS can reconcile wages and withholdings and process tax payments. Penalties and interest can be incurred by the employer for not properly filing 941 Sch. B.
Who needs to file 941 Sch. B?
Employers who are semi-weekly schedule depositors of federal payroll taxes or monthly schedule depositors who accumulated $100,000 or more in tax liability on any given day during the reporting period must file a 941 Sch. B. See the official IRS instructions.
What to report
Tax liability by month, on the date the wages were paid.