New Hampshire has asked federal officials for permission to continue to impose a work requirement on people receiving Medicaid expansion benefits in the state.

Federal authorization for New Hampshire’s Granite Advantage Health program, which provides Medicaid expansion health benefits to 50,000 people and requires many of them to work, has been in place since May and is set to expire Dec. 31.

Medicaid expansion is the federal-state health program that provides benefits to people with incomes between 100 percent and...