Form W-8 (Rev. March 2010) — King County (CITY COUNTY) You need to provide your City & County Business Number (CBN), and contact information: Seattle; West Seattle; South Lake Union; and/or Bellevue. Form W-10 (Rev. October 2011) — Seattle.gov You will need to provide a completed Washington State Business Income Tax Return for the tax year in which the taxpayer will be receiving their income, such as a wage report from the year before they get certified. Washington has an annual business income tax schedule for taxpayers with more than five (5) employees who are responsible for their own payroll, or that were employed full time on a full-time basis at an independent, exempt or public school. Washington State has three (3) income tax schedules: Standard, Pro-rated Modified and Pro-rated Flat Rates; with additional rates for certain income groups. Standard, Pro-rated Modified, Pro-rated Flat Rate Schedule Form W-9 (Rev. December 2011) — Seattle.gov Use Form W-9 to provide your correct Seattle, WA 98 (CPU) or 98 (SCL). 9 3. Form W-10 (Rev. October 2011) — Seattle.gov Use Form W-10 to provide your correct Seattle, WA 98 (CPU) or 98 (SCL). 9 4. Business Name/disregarded Entity SEATTLE, WA 98105. Statewide Payee & W-9 Form (F248-036-000)—L&I This form is intended to be used for payees to register with the State of Washington, indicate how they would like to receive payments, and change their About Form W-9, Request for Taxpayer Identification — IRS Use Form W-9 to provide your correct Taxpayer Identification Number (TIN) to the person who is required to file an information return with the IRS to report W-9 form — University of Washington Go to for instructions and the latest information. UNIVERSITY OF WASH. 2 Business name SEATTLE, WA 98122.