The rules helped reduce the time available to businesses and union-busting "consultants" to illegally intimidate, spy on, harass and fire workers for exercising their rights.
The legislation cuts employment and training funds, job services, job safety and health funding, kills health care quality evaluation and ACA funding of prevention programs.
Ruling Republicans on the House subcommittee that helps dole out federal funds slashed $74 million from the board's budget for the year.
"The board remains committed to the critical work of this agency and fully carrying out the law."
With the Senate Labor Committee now in the hands of Republicans, both labor committees on Capitol Hill are attacking workers' rights enforced by the NLRB.
The Senate planned to vote on Dec. 8 on President Obama's nomination of Lauren McFerran to a National Labor Relations Board seat.
Lauren McFerran, President Obama's nominee to an NLRB seat, pledged she'll bring a judicial attitude to the five-member panel.
The firm violated federal labor law 18 separate ways, and now must make amends.
In honor of Labor Day, the workers released a new music video, called "Strike."
In a 3-1 decision, the board said the sexual harassment complaint, even if it just involves the complaining worker, is "protected and concerted activity" the NLRB covers.