Washington Department of Revenue Forms & Publications

Monthly Combined Excise Tax Return — Form & Instructions

preamble

For tax assistance or to inquire about this form in an alternate format, please call 360-705-6705. Teletype (TTY) users may use the Washington Relay Service by calling 711. REV 41 0056 (9-3-25)

Instructions for Determining your

Monthly Small Business Credit (SBC)

If you need assistance determining your percentage of taxable income, follow steps 1 through 3 in the worksheet below. If you answer "yes" to question 1 below, use Table 1. 1. Was 50% or more of your taxable income reported under Service and Other Activities, Gambling Contests of Chance, For Profit Hospitals, Scientific R&D, and/or Real Estate Commissions? If you answer "yes" to question 2 below, use Table 2. 2. Was less than 50% of your taxable income reported under Service and Other Activities, Gambling Contests of Chance, For Profit Hospitals, Scientific R&D, and/or Real Estate Commissions? Once you determine which credit table to use, follow steps 4 through 7 below to calculate your net B&O tax due.

Small Business Credit Table Worksheet (For your use only) Determine your percentage Step 1: Add together the B&O taxable income you're reporting for these classifications: Service and Other Activities $ Gambling Contests of Chance $ For Profit Hospitals; Scientific R&D $ Real Estate Commissions $ Total $ Step 2: Enter the total of your taxable income for all B&O classifications $

Step 3: Divide the total from step 1 by the amount in step 2 %

Determine your net B&O tax due Step 4: Enter the total amount of tax due for all B&O classifications $ Step 5: Add together the credit amounts taken for: Multiple Activities Credit (MATC) $

Other B&O Credits $

Total $ Step 6: Subtract the Step 5 total from the Step 4 amount. This net B&O tax due amount is used to determine your SBC. $

Step 7: Using the table determined in the questions above, calculate your SBC based on the amount in Step 6. Write the amount of your SBC in the Credits section on page 2 of your return on the Small Business B&O Tax Credit line.

REV 41 0056 (9-3-25) Monthly Small Business Credit Table 1 If your net B&O tax is Your Small Business B&O Tax Credit is: At Least But Less Than $0 $160 Equal to the Net B&O Tax Due $160 $165 $160 $165 $170 $155 $170 $175 $150 $175 $180 $145 $180 $185 $140 $185 $190 $135 $190 $195 $130 $195 $200 $125 $200 $205 $120 $205 $210 $115 $210 $215 $110 $215 $220 $105 $220 $225 $100 $225 $230 $95 $230 $235 $90 $235 $240 $85 $240 $245 $80 $245 $250 $75 $250 $255 $70 $255 $260 $65 $260 $265 $60 $265 $270 $55 $270 $275 $50 $275 $280 $45 $280 $285 $40 $285 $290 $35 $290 $295 $30 $295 $300 $25 $300 $305 $20 $305 $310 $15 $310 $315 $10 $315 $320 $5 $320 More $0

Table 2 If your net B&O tax is Your Small Business B&O Tax Credit is: At Least But Less Than $0 $55 Equal to the Net B&O Tax Due $55 $60 $55 $60 $65 $50 $65 $70 $45 $70 $75 $40 $75 $80 $35 $80 $85 $30 $85 $90 $25 $90 $95 $20 $95 $100 $15 $100 $105 $10 $105 $110 $5 $110 More $0 Note: Keep this table as a reference for future returns or access it at the Department's website at dor.wa.gov.

Source: official text