be carried out by an entity under a grant under this paragraph, the entity shall make available (directly or through donations from public or private entities) non-Federal contributions toward such costs in an amount that equals 25 percent of the amount of the grant. (2) Planning grants (A) In general Under the program under subsection (a), the Administrator shall award 1-year planning grants to eligible entities to assist such entities in developing comprehensive plans to address homelessness in the communities and regions served by such entities or to enhance the effectiveness of existing programs that serve homeless individuals and families, including homeless children and youths (as defined by section 725 of the McKinney-Vento Homeless Assistance Act ( 42 U.S.C. 11434a )), or those at risk of becoming homeless. (B) Amount The amount awarded to an entity under a grant under this paragraph shall not exceed $100,000, and such amount shall not be subject to any matching requirement. (d) Eligibility (1) In general To be eligible to receive a grant under the program under subsection (a), an entity shall— (A) be a governmental entity (at the county, city, regional, or locality level), Indian tribe, or tribal organization