; (II) by contracts entered into by small businesses or nonprofit organizations (or labor unions representing the employees of small businesses or nonprofit organizations) with the Great Lakes State; and (III) by subcontracts entered into by small businesses or nonprofit organizations (or labor unions representing the employees of small businesses or nonprofit organizations) with the recipients of subgrants made by the Great Lakes State. (4) Priority for certain programs and activities In selecting programs and activities to be funded using amounts made available under this section, a Great Lakes State shall give priority to programs and activities that reduce or eliminate bypasses (as defined in section 402(t)(1)) or combined sewer overflows. (5) Low-income communities A Great Lakes State is encouraged to use any amounts awarded to the Great Lakes State under the Program to fund green infrastructure projects located in low-income communities. (g) Cost share (1) In general In awarding a grant to a Great Lakes State under the Program for programs and activities, the Administrator may require the Great Lakes State to pay up to 50 percent of the costs of the programs and activities funded by the grant. (2) In-kind support In-kind support for a program or activity, including staff time, provided by a Great Lakes State shall count toward the share of costs required to be paid by the Great Lakes State under paragraph (1). (h) Authorization of appropriations There is authorized to be appropriated to the Administrator to carry out this section $250,000,000 for each of fiscal years 2021 through 2025, to remain available until expended. .