requirement described in section 148(c) of such title: Provided further , That projects carried out with funds made available under this heading for activities eligible under section 148(e)(1) of such title shall be subject to the Federal share requirement described in section 148(j) of such title: Provided further , That, except as provided in the following proviso, the funds made available under this heading for activities eligible under the Puerto Rico Highway Program and activities eligible under the Territorial Highway Program shall be administered as if allocated under sections 165(b) and 165(c), respectively, of such title and shall remain available through September 30, 2022: Provided further , That the funds made available under this heading for activities eligible under the Puerto Rico Highway Program shall not be subject to the requirements of sections 165(b)(2)(A) or 165(b)(2)(B) of such title. Provided further , That the funds made available under this heading for the tribal transportation program shall be administered as if authorized for such program and shall remain available through September 30, 2022: Provided further , That the funds made available under this heading for the nationally significant Federal lands and tribal projects program under section 1123 of the FAST Act shall remain available through September 30, 2022. Administrative provisions—federal highway administration 120. (a) For fiscal year 2019, the Secretary of Transportation shall— (1) not distribute from the obligation limitation for Federal-aid highways— (A) amounts authorized for administrative expenses and programs by section 104(a) of title 23, United States Code