Resources and Important Dates
Useful Links
- Washington State Department of Revenue
- Washington State Tax Rates
- Look-up Washington State Use and Sales Tax Rates
- Washington State Employment Security Department
- Washington State Labor and Industries (worker's compensation and safety)
- File your quarterly WA Department of Labor & Industries returns
- EFTPS Website (federal government tax payment system)
- IRS Small Business and Self Employed Tax Center
- Apply for or Renew a Washington State Business License
- Apply for an Employer Identification Number (EIN) Online with the IRS
- Get a FREE option to securely send QuickBooks data files, or other types of confidential files Using Hightail
- Information on QuickBooks and other Intuit software options: Intuit (QuickBooks)
- Intuit Marketplace (for apps to work with QuickBooks)
Tax Forms
- Form I-9: Employment Eligibility Verification
- Form W-4: Employee's Withholding Allowance Certificate
- Form W-9: Request for Taxpayer Identification Number (TIN) and Certification
- Direct Deposit Authorization Form
- IRS Publication 15 - (Circular E), Employer's Tax Guide
Additional Washington State Resources
- Washington State Labor and Industries - Independent Contractor Guide
- Washington State Labor and Industries - Independent Contractor Quick Guide
IRS Standard Mileage Rates
- 2017: $0.535 per mile
- 2016: $0.54 per mile
- 2015: $0.575 per mile
- 2014: $0.56 per mile
Important Dates
15th of each month (or next business day) – IRS Form 941/944 payroll tax deposits due
25th of each month (or next business day) – monthly WA Dept of Revenue excise tax returns due
26th of each month (or next business day) – monthly WA Dept of Revenue excise tax payments due
January 31st (or next business day) – 4th quarter payroll taxes due
- 4th quarter IRS Form 941 due
- 4th quarter IRS federal unemployment (940) tax payment due
- 4th quarter WA state unemployment tax return & tax payment due
- 4th quarter WA Dept of Labor & Industries return & payment due
January 31st (or next business day) – annual payroll taxes & forms due
- Annual IRS Form 940 federal unemployment tax return due
- Annual IRS Form 944 tax return due (only for those required to file annual Form 944 versus quarterly Form 941)
- Annual W-2 Forms due to employees
- Annual W-2 Forms due to Social Security Administration
January 31st – IRS Form 1099-MISC and Form 1096 due
- Vendor copies of 1099-MISC Forms due
- IRS copies of 1099-MISC Forms and 1096 Forms due
January 31st – 4th quarter city B&O tax returns and payments due
January 31st (or next business day) – 4th quarter Dept of Revenue excise tax return due
January 31st (or next business day) – annual Dept of Revenue excise tax return due
February 1st (or next business day) – 4th quarter Dept of Revenue excise tax payment due
February 1st (or next business day) – annual Dept of Revenue excise tax payment due
April 30th (or next business day) – 1st quarter payroll taxes due
- 1st quarter IRS Form 941 due
- 1st quarter IRS federal unemployment (940) tax payment due
- 1st quarter WA state unemployment tax return & tax payment due
- 1st quarter WA Dept of Labor & Industries return & payment due
April 30th – 1st quarter city B&O tax returns and payments due
April 30th (or next business day) – 1st quarter Dept of Revenue excise tax return due
May 1st (or next business day) – 1st quarter Dept of Revenue excise tax payment due
July 31st (or next business day) – 2nd quarter payroll taxes due
- 2nd quarter IRS Form 941 due
- 2nd quarter IRS federal unemployment (940) tax payment due
- 2nd quarter WA state unemployment tax return & tax payment due
- 2nd quarter WA Dept of Labor & Industries return & payment due
July 31st – 2nd quarter city B&O tax returns and payments due
July 31st (or next business day) – 2nd quarter Dept of Revenue excise tax return due
August 1st (or next business day) – 2nd quarter Dept of Revenue excise tax payment due
October 31st (or next business day) – 3rd quarter payroll taxes due
- 3rd quarter IRS Form 941 due
- 3rd quarter IRS federal unemployment (940) tax payment due
- 3rd quarter WA state unemployment tax return & tax payment due
- 3rd quarter WA Dept of Labor & Industries return & payment due
October 31st – 3rd quarter city B&O tax returns and payments due
October 31st (or next business day) – 3rd quarter Dept of Revenue excise tax return due
November 1st (or next business day) – 3rd quarter Dept of Revenue excise tax payment due
