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6991 East Camelback Rd., Suite D-300, Scottsdale, AZ 85251 (800) 426-6614 info@marksullivanconsulting.com

Mark W. Sullivan, EA has over 25 years of experience in tax controversy resolution.

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2023 State Tax Changes

Jan 3, 20231 min read

2023 State Tax Changes

2023 tax law changes taking effect January 1, 2023

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Tax Filing Websites Have Been Sending Users’ Information to Facebook in Violation of IRC 7216

Nov 30, 20225 min read

Tax Filing Websites Have Been Sending Users’ Information to Facebook in Violation of IRC 7216

Tax Filing Websites Have Been Sending Users’ Information to Facebook Without Taxpayer Consent

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