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Presenting an update on significant state tax issues for the Southwest/West States: Colorado, Kansas, read more
07-15-2025 | 08:30 - 15:15 ET Houston TX
Presenting an update on significant state tax issues for the Southeast States: Alabama, Arkansas, Florida, read more
08-07-2025 | 08:30 - 15:15 ET Birmingham AL
Presenting an update on significant state tax issues for the Mid-Atlantic States: Connecticut, Delaware, read more
06-04-2025 | 08:30 - 15:15 ET Basking Ridge NJ
COST regularly engages in the legislative and regulatory process through written, in-person, and remote read more
COST is pleased to share a new legislative advocacy tool with our members, the state-by-state “ List read more
Looking to make the most of your 2025 travel budget? COST is offering a multiple registrant discount read more
This one and a half day workshop will cover the key state and local tax issues that technology companies read more
08-13-2025 13:00 - 08-14-2025 17:30 ET Burlingame CA
The COST Canadian Tax Workshop for US Companies covers the key tax issues U.S. companies who are doing read more
10-20-2025 08:00 - 10-22-2025 13:00 ET Burlingame CA
122 C Street, NWSuite 330Washington, DC 20001Phone(202) 484-5222
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