WASHINGTON — Republicans are pressing ahead with a budget plan designed to help the party deliver on a GOP-only effort to overhaul the tax code.

The plan before the House Budget Committee also features promises to cut more than $5 trillion from the budget over the coming decade, though Republicans only appear serious about actually enacting a relatively modest $203 billion deficit cut over the same period

The importance of the effort has been magnified by the cratering in the Senate of the Trump-backed effort to repeal President Barack Obama’s health care law, leaving a rewrite of the tax code as the best chance for Trump to score a major legislative win this year.

The budget plan unveiled Tuesday is crucial because its passage would pave the way to pass a tax overhaul this fall without the fear of a filibuster.

But it also proposes trillions of dollars in cuts to the social safety net and other domestic programs and puts congressional Republicans at odds with Trump over cutting Medicare. It also would sharply boost military spending.

“In past years, the budget has only been a vision. But now, with the Republican Congress and a Republican White House, this budget is a plan for action,” said Budget Committee Chair Diane Black, R-Tenn. “Now is our moment to achieve real results.”

Unclear, is whether GOP leaders can get the measure through the House. Conservatives want a larger package of spending cuts, while moderates are concerned cuts to programs such as food stamps could go too far.