; or (2) to demonstrate that assistance received from the Small Business Administration does not satisfy the total necessary expenses or serious needs arising out of a major disaster or emergency. 15. Collaboration In carrying out this Act, and the amendments made by this Act, the head of each relevant Federal agency shall, to the greatest extent practicable, collaborate with the Chairperson of the National Endowment for the Arts and the Chairperson of the National Endowment for the Humanities.