File Schedule B (Form 941) if you are a semiweekly schedule depositor. You are a semiweekly depositor if you: Reported more than $50,000 of employment taxes in the lookback period. Accumulated a tax liability of $100,000 or more on any given day in the current or prior calendar year. Current Revision Schedule B (Form 941)PDF Instructions for Schedule B (Form 941) (Print Version)PDF Recent Developments Failure to deposit penalties on some employers claiming new tax credits Other Items You May Find Useful All Schedule B (Form 941) Revisions About Form 941, Employer's Quarterly Federal Tax Return About Publication 4436, General Rules and Specifications for Substitute Form 941 and Schedule B (Form 941), and Schedule R (Form 941) About Schedule B (Form 941 (PR)), Report of Tax Liability for Semiweekly Schedule Depositors Other Current Products