CFR › Title 10 › Part 420 › §420.3410 CFR §420.34Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkDOE may require (as set forth in the program guidance/solicitation) States to provide either:(a)A matching contribution of at least a specified percentage of the Federal financial assistance award; or(b)A specified share of the total cost of the project for which financial assistance is provided.