; or (4) exercising authority over matters of interstate commerce. (d) No new taxes Nothing in this Act shall be construed as encouraging a State to impose sales and use taxes on any goods or services not subject to a sales and use tax prior to the date of the enactment of this Act. (e) No effect on intrastate sales The provisions of this Act shall apply only to remote sales and shall not apply to intrastate sales or intrastate sourcing rules. States granted authority under section 2(a) shall comply with all intrastate provisions of the Streamlined Sales and Use Tax Agreement. (f) No Effect on Mobile Telecommunications Sourcing Act Nothing in this Act shall be construed as altering in any manner or preempting the Mobile Telecommunications Sourcing Act ( 4 U.S.C. 116–126 ). (g) Certification requirements A State may not exercise authority under this Act unless the following requirements are satisfied: (1) The State provides certification procedures for persons to be approved as certified software providers. A State may delegate the certification procedures so long as the State retains final approval over any certification decisions. (2) The State (or its delegate) does not deny or revoke certification to a software provider without a reasonable basis, or arbitrarily or capriciously. A State must complete the certification review of the software provider no later than the first day of the calendar quarter that is at least 180 days after the software provider requests certification by that State. (3) The State has certified multiple national certified software providers, and the certifications are in effect. Nothing in this Act shall be construed to deny the ability of a remote seller to deploy and utilize a certified software provider of the seller’s choice. (4) The State provides compensation for certified software providers. A State may delegate the authority to negotiate the compensation so long as the State retains final approval of the compensation rate(s). (h) Limitation on initial collection of sales and use