1. Short title This Act may be cited as the Enabling Extra Time to Extend Network Deployment Act or the EXTEND Act . 2. Use of Coronavirus Relief Fund payments for grants for deployment of broadband infrastructure (a) In general Section 601 of the Social Security Act ( 42 U.S.C. 801 ) is amended— (1) by redesignating subsections (e) through (g) as subsections (f) through (h), respectively; (2) in subsection (b)(2), by striking subsection (e) and inserting subsection (f) ; and (3) by inserting after subsection (d) the following: (e) Grants for deployment of broadband infrastructure (1) In general For the purposes of subsection (d), a grant awarded in accordance with this subsection to a provider of broadband internet access service for the deployment of infrastructure for the provision of such service shall be treated as an eligible expenditure under paragraph (1) of such subsection (d) and paragraph (3) of such subsection shall be applied to such an expenditure by substituting December 31, 2021 for December 30, 2020 . (2) Limitation regarding municipal broadband A State, Tribal government, or unit of local government may not use funds provided under a payment made under this section— (A) to provide or offer for sale broadband internet access service; or (B) to purchase, lease, or otherwise obtain facilities that are used exclusively to provide broadband internet access service by— (i) the State, Tribal government, or unit of local government