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Join over 9,000 ATT members to enhance your career potential and support your professional development. As a member of ATT you commit to the highest standards of professional conduct and can demonstrate to your employer and clients that your tax knowledge and skills are kept up to date.
General Information on Tax Exemptions. ... AT&T is legally required to charge the appropriate taxes on all transactions subject to tax except when a transaction is deemed exempt under a federal, state, or local jurisdiction's statutes. In compliance with the laws and regulations published by the various jurisdictions, AT&T customers must then ...