Maryland Tax - General Section 8-406

      (a)      A public service company may claim a credit against the public service company franchise tax equal to the estimated tax paid under § 8-405(b) of this subtitle.

      (b)      A public service company, including any multijurisdictional public service company, may claim a credit against the public service company franchise tax in the amount of $3 for each ton of Maryland-mined coal that the public service company purchased in the calendar year.

      (c)      (1)      To prevent actual multiple taxation of the sale of interstate long distance telecommunications service, a long distance telecommunications company, upon proof that it has paid a properly due excise, sales and use, or gross receipts tax in another state on a sale the gross receipts from which are subject to taxation under this subtitle, shall be allowed a credit against the public service company franchise tax for the amount paid.

            (2)      The credit permitted under this subsection may not exceed the tax imposed under this subtitle.