; and (ii) assistance has not been provided with respect to the major disaster under section 408 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5174 ). (2) National Board The National Board may not carry out programs directly. 334. Limitation on certain costs Not more than 10 percent of the total amount made available for the program under this subtitle for each fiscal year may be expended for the costs of administration. 335. Disbursement of funds Any amount made available by appropriation Acts under this subtitle unobligated by the National Board before the expiration of the 12-month period beginning on the date on which the amount becomes available shall be transferred to the general fund of the Treasury. . (b) Technical and conforming amendment The table of contents in section 101(b) of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11301 note) is amended by inserting after the item relating to section 322 the following: Subtitle D—Disaster and Supplemental Food Shelter Grants Sec. 331. Grants by the Administrator. Sec. 332. Retention of interest earned. Sec. 333. Purposes of grants. Sec. 334. Limitation on certain costs. Sec. 335. Disbursement of funds. . 4. Emergency conservation program (a) Maximum payments per person or legal entity The Secretary of Agriculture, acting through the Administrator of the Farm Service Agency, shall amend the regulations promulgated pursuant to section 405 of the Agricultural Credit Act of 1978 ( 16 U.S.C. 2205 ) relating to the emergency conservation program to provide that the maximum amount of payments made under section 401 or 402 of that Act ( 16 U.S.C. 2201 , 2202) per person or legal entity per natural disaster is $500,000. (b) Rulemaking Not later than 1 year after the date of enactment of this Act, the Secretary of Agriculture, acting through the Administrator of the Farm Service Agency, shall initiate a rulemaking to amend the regulations promulgated pursuant to section 405 of the Agricultural Credit Act of 1978 ( 16 U.S.C.