WASHINGTON (AP) — Maybe the 40th vote to repeal President Barack Obama's health care law will be a charm for opponents of the overhaul.

House Republicans are scheduled to vote Friday on a bill that would prevent the Internal Revenue Service from enforcing or implementing any part of the law they call "Obamacare." It'll mark the 40th vote by the Republican-controlled House to repeal some or all of the law.

Such measures have died in the Democratic-controlled Senate.

Next year, the IRS will begin enforcing the requirement that most individuals have health insurance, collecting fines from people who don't. The IRS also will distribute subsidies to help people buy insurance in new exchanges.

Republicans hope to use the vote to rally opposition to the law as Congress prepares for its summer recess.

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