Date Start Date: 10/22/2026 Start Time: 8:30 AM End Time: 4:00 PM Location Microsoft Corporation Campus 16255 NE 36th Way Building 36 - B33/11106-1108-1110 Meeting Rooms on the Main Floor Redmond, WA 98052 Get Directions Contact Name: Tiffany Frazier Phone: (202) 484-5225 Email
Join industry tax peers to hear sessions covering important state tax updates and state tax issues nationally and in the Pacific Northwest States. Great opportunity to network with your Seattle and surrounding area state and local tax peers.
Additional Information Registration Fee - $75.00 for COST Member Companies and $150.00 for non-COST Member Companies payable to COST in advance of seminar. Cancellations will only be accepted up to 5 business days before the event. If you cancel after 5 days prior, you will not be refunded This seminar is open to tax professionals from COST member companies and industry tax professionals from non-COST member companies. Practitioners are not eligible to attend this seminar (except for those speaking or sponsoring). Dress for the meeting is business casual. CLE/CPE credit available.
