Free Tax Workshop for Small Business Owners - Participants will learn about Washington excise taxes, reporting classifications, deductions, tax incentives, sales tax collection and record-keeping requirements. Attendees receive a workbook and reference guide to related rules and regulations. Presented by the Washington State Department of Revenue. To register, call (509) 327-0200. Tuesday, 9-11:45 a.m., Rock Pointe III, third-floor conference room A, 1330 N. Washington St., free.
Fair Housing Workshop - Topics related to the Fair Housing Act to be covered include reasonable accommodations and service animals as well as eligibility requirements, including criminal background, income requirements and credit and hate, harassment and discrimination. For more information, call (208) 383-0695. To register, visit https://www.eventbrite.com/e/fair-housing-training-moscow-tickets-44494730938 or register on-site beginning at 8:30 a.m. Wednesday, 9 a.m.-4 p.m., 1912 Center, Arts Workshop Room, 412 E. Third St., Moscow, free.
Gonzaga University Commencement - Gonzaga University, through Monday, Gonzaga University, 5,000 attendees.
Lilac Festival - Spokane Lilac Festival Association, Friday-May 20, downtown Spokane, 50,000 attendees.
The Friends of Mullan Road - Eastern Washington University, Friday-May 20, Red Lion River Inn Spokane, 80 attendees.
Boys Border Smackdown - Spokane Boys Volleyball Club, Saturday-May 20, Spokane Convention Center, 1,000 attendees.
Child Support Enforcement Conference - Washington Association of Prosecuting Attorneys, May 20-24, Hotel RL Spokane at the Park, 230 attendees.