for operations and support, $1,054,838,000: Provided , That not to exceed $2,250 shall be for official reception and representation expenses. Procurement, construction, and improvements For necessary expenses of the Federal Emergency Management Agency for procurement, construction, and improvements, $128,349,000, to remain available until September 30, 2021. Federal assistance (Including transfer of funds) For activities of the Federal Emergency Management Agency for Federal assistance through grants, contracts, cooperative agreements, and other activities, $3,272,939,000, which shall be allocated as follows: (1) $512,000,000 for the State Homeland Security Grant Program under section 2004 of the Homeland Security Act of 2002 ( 6 U.S.C. 605 ), of which $90,000,000 shall be for Operation Stonegarden, and $10,000,000 shall be for organizations (as described under section 501(c)(3) of the Internal Revenue Code of 1986 and exempt from tax under such 501(a) of such code) determined by the Secretary of Homeland Security to be at high risk of a terrorist attack: Provided , That notwithstanding subsection (c)(4) of such section 2004, for fiscal year 2019, the Commonwealth of Puerto Rico shall make available to local and tribal governments amounts provided to the Commonwealth of Puerto Rico under this paragraph in accordance with subsection (c)(1) of such section 2004. (2) $605,000,000 for the Urban Area Security Initiative under section 2003 of the Homeland Security Act of 2002 ( 6 U.S.C. 604 ), of which $25,000,000 shall be for organizations (as described under section 501(c)(3) of the Internal Revenue Code of 1986 and exempt from tax under section 501(a) of such code) determined by the Secretary of Homeland Security to be at high risk of a terrorist attack. (3) $100,000,000 for Public Transportation Security Assistance, Railroad Security Assistance, and Over-the-Road Bus Security Assistance under sections 1406, 1513, and 1532 of the Implementing Recommendations of the 9/11 Commission Act of 2007 ( 6 U.S.C. 1135 ,