A U.S. senator introduced legislation on Friday looking to prohibit any entities engaging with North Korea from the dollar system and to impose sanctions on businesses using North Korean labor.

The legislation, entitled the North Korean Enablers Accountability Act was introduced by Senator Cory Gardner (R-CO), Chairman of the Subcommittee on East Asia, the Pacific, and International Cybersecurity.

“We must take every diplomatic and economic measure now to stop North Korea and to prevent nuclear war,” Gardner said in a press release.

“My bipartisan legislation gives those that currently conduct trade with North Korea a clear choice – either do business