Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE; TABLE OF CONTENTS. 
(a) SHORT TITLE.—This Act may be cited as the 
‘‘Disaster Tax Relief and Airport and Airway Extension 
Act of 2017’’. 
(b) TABLE OF CONTENTS.—The table of contents for 
this Act is as follows: 
Sec. 1. Short title; table of contents. 
TITLE I—FEDERAL AVIATION PROGRAMS 
Sec. 101. Extension of airport improvement program. 
Sec. 102. Extension of expiring authorities. 
Sec. 103. Federal Aviation Administration operations. 
Sec. 104. Small community air service. 
Sec. 105. Air navigation facilities and equipment. 
Sec. 106. Research, engineering, and development. 
Sec. 107. Funding for aviation programs. 
TITLE II—AVIATION REVENUE PROVISIONS 
Sec. 201. Expenditure authority from Airport and Airway Trust Fund. 
Sec. 202. Extension of taxes funding Airport and Airway Trust Fund. 
TITLE III—EXPIRING HEALTH PROVISIONS 
Sec. 301. Extension of certain public health programs. 
Sec. 302. Extension of Medicare Patient IVIG Access Demonstration Project. 
Sec. 303. Funds from the Medicare Improvement Fund. 
TITLE IV—DEVELOPMENT OF PRIVATE FLOOD INSURANCE 
MARKET 
Sec. 401. Private flood insurance. 
TITLE V—TAX RELIEF FOR HURRICANES HARVEY, IRMA, AND 
MARIA 
Sec. 501. Definitions. 
Sec. 502. Special disaster-related rules for use of retirement funds. 
Sec. 503. Disaster-related employment relief. 
Sec. 504. Additional disaster-related tax relief provisions. 
Sec. 505. Budgetary effects.
TITLE I—FEDERAL AVIATION 
PROGRAMS 
SEC. 101. EXTENSION OF AIRPORT IMPROVEMENT PRO-
GRAM. 
(a) AUTHORIZATION OF APPROPRIATIONS.— 
(1) IN GENERAL.—Section 48103(a) of title 49, 
United States Code, is amended by striking the pe-
riod at the end and inserting ‘‘and $1,670,410,959 
for the period beginning on October 1, 2017, and 
ending on March 31, 2018.’’. 
(2) OBLIGATION OF AMOUNTS.—Subject to lim-
itations specified in advance in appropriations Acts, 
sums made available pursuant to the amendment 
made by paragraph (1) may be obligated at any time 
through September 30, 2018, and shall remain avail-
able until expended. 
(3) PROGRAM
IMPLEMENTATION.—For pur-
poses of calculating funding apportionments and 
meeting other requirements under sections 47114, 
47115, 47116, and 47117 of title 49, United States 
Code, for the period beginning on October 1, 2017, 
and ending on March 31, 2018, the Administrator of 
the Federal Aviation Administration shall— 
(A) first calculate such funding apportion-
ments on an annualized basis as if the total
amount available under section 48103 of such 
title for fiscal year 2018 were $3,350,000,000; 
and 
(B) then reduce by 50 percent— 
(i) all funding apportionments cal-
culated under subparagraph (A); and 
(ii) amounts available pursuant to sec-
tions 47117(b) and 47117(f)(2) of such 
title. 
(b) PROJECT GRANT AUTHORITY.—Section 47104(c) 
of title 49, United States Code, is amended in the matter 
preceding paragraph (1) by striking ‘‘September 30, 
2017,’’ and inserting ‘‘March 31, 2018,’’. 
SEC. 102. EXTENSION OF EXPIRING AUTHORITIES. 
(a) Section 47107(r)(3) of title 49, United States 
Code, is amended by striking ‘‘October 1, 2017’’ and in-
serting ‘‘April 1, 2018’’. 
(b) Section 47114(c)(1)(F) of title 49, United States 
Code, is amended— 
(1) in the subparagraph heading by striking 
‘‘FOR FISCAL YEAR 2017’’; and 
(2) in the matter preceding clause (i) by strik-
ing ‘‘for fiscal year 2017 an amount’’ and inserting 
‘‘for each of fiscal years 2017 and 2018 an 
amount’’.
(c) Section 47115(j) of title 49, United States Code, 
is amended by inserting ‘‘and for the period beginning on 
October 1, 2017, and ending on March 31, 2018’’ after 
‘‘fiscal years 2012 through 2017’’. 
(d) Section 47124(b)(3)(E) of title 49, United States 
Code, is amended by inserting ‘‘and not more than 
$5,160,822 for the period beginning on October 1, 2017, 
and ending on March 31, 2018,’’ after ‘‘fiscal years 2012 
through 2017’’. 
(e) Section 47141(f) of title 49, United States Code, 
is amended by striking ‘‘September 30, 2017’’ and insert-
ing ‘‘March 31, 2018’’. 
(f) Section 186(d) of the Vision 100—Century of 
Aviation Reauthorization Act (117 Stat. 2518) is amended 
by inserting ‘‘and for the period beginning on October 1, 
2017, and ending on March 31, 2018,’’ after ‘‘fiscal years 
2012 through 2017’’. 
(g) Section 409(d) of the Vision 100—Century of 
Aviation Reauthorization Act (49 U.S.C. 41731 note) is 
amended by striking ‘‘September 30, 2017’’ and inserting 
‘‘March 31, 2018’’. 
(h) Section 140(c)(1) of the FAA Modernization and 
Reform Act of 2012 (126 Stat. 28) is amended by striking 
‘‘2017’’ and inserting ‘‘2018’’.
(1) in paragraph (1), by inserting after ‘‘for a 
period of 3 years’’ the following: ‘‘and, subject to the 
availability of funds under subsection (g)— 
‘‘(A) if the date of enactment of the Dis-
aster Tax Relief and Airport and Airway Exten-
sion Act of 2017 is on or before September 30, 
2017, for the period beginning on October 1, 
2017, and ending on December 31, 2020; and 
‘‘(B) if the date of enactment of such Act 
is after September 30, 2017, for the period be-
ginning on the date of enactment of such Act 
and ending on December 31, 2020’’; and 
(2) in paragraph (2), by adding at the end the 
following new sentences: ‘‘Subject to the preceding 
sentence, a Medicare beneficiary enrolled in the dem-
onstration project on September 30, 2017, shall be 
automatically enrolled during the period beginning 
on the date of the enactment of the Disaster Tax 
Relief and Airport and Airway Extension Act of 
2017 and ending on December 31, 2020, without 
submission of another application.’’. 
SEC. 303. FUNDS FROM THE MEDICARE IMPROVEMENT 
FUND. 
Section 1898(b)(1) of the Social Security Act (42 
U.S.C. 1395iii(b)(1)) is amended by striking ‘‘during and