Past Events Dates and Category Category Events Publications 09/16/25 - 09/19/25 “One Big Beautiful Bill Act (OBBA) and Its Impact on State Corporate Income Taxes” COST's 56th Annual Meeting (Memphis, TN) Speaker: Evan Hamme 09/16/25 - 09/19/25 “Deep Dive into COST of Performance and Market-Based Sourcing: Methods of Multistate Analysis, Planning and Tax Accounts” COST's 56th Annual Meeting (Memphis, TN) Speaker: Zachary Atkins 09/05/25 “California Updates Tax Regulations on Technology Transfer Agreements” SeeSALT Blog Post Authors: Jeffrey Vesely, Richard Nielsen 08/28/25 “The Right to Protest: California Tax Agencies’ Protest Resolution Trends and Practices” CalTax Foundation Webinar (Virtual) Speaker: Robert P. Merten III 08/21/25 “Putting Regulations to the Test: California Taxpayers Cleared to Challenge Regulations in OTA Appeals” SeeSALT Blog Post Authors: Carley Roberts, Robert P. Merten III, Jeff Phang, Anne Rothschild 08/13/25 - 08/14/25 “Western States Review” COST's 2025 SALT Technology Workshop (Burlingame, CA) Presenter: Carley Roberts 08/13/25 - 08/14/25 “Sourcing Issues for Income Tax – Including Local Tax Issues” COST's 2025 SALT Technology Workshop (Burlingame, CA) Presenter: Evan Hamme 08/13/25 - 08/14/25 “Property Tax” COST's 2025 SALT Technology Workshop (Burlingame, CA) Presenter: Kristen Sharp 08/13/25 - 08/14/25 “Complex Marketplace Facilitator Laws – Best Practices” COST's 2025 SALT Technology Workshop (Burlingame, CA) Presenter: Aruna Chittiappa 08/13/25 - 08/14/25 “Ask the Experts” COST's 2025 SALT Technology Workshop (Burlingame, CA) Presenter: Carley Roberts 1 2 3 4 5 6 7 8 9 10 11 12 > >>