Both versions of the bill include provisions that allow non-itemizing tax payers to deduct charitable contributions.

U.S. Senate Republicans have unveiled their version of President Donald Trump's sweeping tax-cut and spending bill that is broadly similar to the legislation that narrowly passed the House of Representatives last month.

A proposal by Senate Republicans would adjust the pace at which some crucial home energy efficiency and electric vehicle tax credits are phased out in timelines different from what House Republicans proposed in the multitrillion-dollar tax bill they passed last month.