plans, land use regulations, zoning, and building codes. (d) Amount of grant The amount of a grant under subsection (a) shall not exceed $1,125,000. (e) Cost-Sharing (1) In general Except as provided in paragraph (2), the Federal share of a project funded with a grant under subsection (a) shall not exceed 90 percent. (2) Increased federal share The Secretary may increase the Federal share in the case of a grant to a Tribal government or Native Hawaiian organization if the Secretary finds that the Tribal government or Native Hawaiian organization does not have sufficient funds to contribute to the project. (f) Coordination The Secretary shall encourage Federal land management agencies to coordinate land use planning for Federal land with the State or local planning director responsible for the drafting and updating of State guide plans or guidance documents regulating land use and infrastructure development on a statewide basis. (g) Audits (1) In general The Inspector General of the Department of Homeland Security shall conduct an audit of a portion of the grants provided under this section to ensure that all funds provided under the grants are used for the purposes specified in this section. (2) Use of audit results The results of audits conducted under paragraph (1) and any recommendations made in connection with the audits shall be taken into consideration in awarding any future grant under this section to a State. (h) Definitions In this section, the following definitions apply: (1) Land use planning legislation The term land use planning legislation means a statute, regulation, Executive order, or other action taken by a State or local government to guide, regulate, and assist in the planning, regulation, and management of land, natural resources, development practices, and other activities related to the pattern and scope of future land use. (2) Comprehensive plan The term comprehensive plan means a binding or non-binding planning document adopted for the purpose of regulation and management of land,