The U.S. Office of Personnel Management has had 18 investigators convicted of falsifying reports since 2006, and a lack of resources is preventing officials from processing a backlog of an additional 36 cases.
The bill would create a single, uniform badge at one price for contract workers on school sites, reducing the number and costs of background checks in the state.
About 58% of federally licensed firearms dealers have not been inspected by the Bureau of Alcohol, Tobacco, Firearms and Explosives in the past five years.
According to a poll, American voters say 48 - 38 percent that the government could use the information from universal background checks to confiscate legally-owned guns.
The contentious proposal to reinstate the assault weapons ban has been postponed, but measures to extend background checks to private gun sales and fund school security improvements have been voted through to the Senate.
Senators struggle to find common ground on universal background checks for firearm purchases when faced with a divisive split about firearm registration and record keeping.