; and (B) in particular, to the extent permitted under State law, may use the grant funds to establish a portable voucher system that allows a parent of a low-income child to use a portion of the grant funds, other available public funds, or private funds to pay some or all of the costs of attendance at a private prekindergarten education program. (5) Members of indian tribes A member of an Indian tribe who is eligible to receive services pursuant to a program funded under this section may elect to receive such services from any eligible entity for the State or Indian tribe in which the member resides. (e) Matching funds A grant recipient shall provide matching funds from non-Federal sources equal to 20 percent of the amount of the grant to carry out the activities described in this section. (f) Administrative costs No eligible entity that receives a subgrant to provide a program under this subchapter shall use more than 15 percent of the subgrant funds for the administrative costs of the program. 640. Limitations on assistance Nothing in this subchapter shall be construed to require a grant recipient to establish a publicly funded program of early childhood education and development, or to require any child to participate in such a publicly funded program, including a preschool program funded by a grant recipient, or to participate in any initial screening (other than a health screening) before participating in a publicly funded program of early childhood education and development, except as provided under sections 612(a)(3) and 635(a)(5) of the Individuals with Disabilities Education Act ( 20 U.S.C. 1412(a)(3) , 1435(a)(5)). 641. Goals