A coalition rallying opposing a proposed U.S. border tax on imported goods is planning to target lawmakers during the Congressional recess.

Americans for Affordable Products — an anti-border tax coalition that includes large corporations — is planning to focus its efforts on 40 members of Congress in 11 states, according to coalition spokesman Joshua Baca, Reuters reported Monday.

“We’re talking to businesses, local associations, having a frank conversation with them about how dumb this idea is,” Baca said.

The border adjustment would hit imports with a 20 percent tax, but exempt exports. The border tax along with a proposal to lower the corporate tax rate to 20 percent is a centerpiece of House Republicans blueprint for tax reform.

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Next week, the anti-border tax coalition will have a town hall meeting in Nevada with Sen. Dean Heller Dean Arthur HellerOn The Trail: Democrats plan to hammer Trump on Social Security, Medicare Lobbying World Democrats spend big to put Senate in play MORE (R-Nev.). The group also plans to have a discussion in Ohio with Rep. David Joyce (R-Ohio).

A spokesman for the Retail Industry Leaders Association said their group is also targeting lawmakers to urge them not to support the tax by giving tours of their headquarters and stores.

The groups are using a poll, shared with Reuters, which shows 63 percent of voters are against the tax. That includes 70 percent of women. The poll also finds that 56 percent of voters say they would be less likely to vote for a lawmaker who is for the tax proposal.