; and (ii) the executive agency shall accept the existing application form or contract. (D) Escalation and review Not later than 60 days after the date of enactment of the Streamlining and Investing in Broadband Infrastructure Act , each executive agency shall establish a supervisory review process under which an executive working group or established agency executive with negotiation and approval authority shall review any communications facility installation application, lease, or easement if an applicant requests such review. (E) Incorporation of subsection ( a ) An executive agency may not deny, and shall approve, any eligible facilities request (as defined in subsection (a)(2)) for a modification of an existing wireless tower or base station that does not substantially change the physical dimensions of the tower or base station. (4) Progress reports Not later than 90 days after the date of enactment of the Streamlining and Investing in Broadband Infrastructure Act , and every 2 years thereafter until the date that is 10 years after the date of enactment of that Act, the Administrator shall submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Energy and Commerce of the House of Representatives a report that describes, with respect to each executive agency— (A) the number of sites sought in applications for the placement of a communications facility installation, including upgrades and collocations; (B) the number of sites approved; and (C) the number of sites completed. . (b) Savings provision Notwithstanding the amendment made by subsection (a), an executive agency may make a grant of a real property interest and may collect fees in accordance with subsection (b) of section 6409 of the Middle Class Tax Relief and Job Creation Act of 2012 ( 47 U.S.C. 1455(b) ) (as in effect on the day before the date of enactment of this Act) until the effective date of the regulations issued by the head of the executive agency to carry out the amendment made by subsection (a).