To postpone the enforcement of new rules governing rest periods for truck drivers using sleeper berths until January 1, 2006.

Declares that new Federal Motor Carrier Safety Administration (FMCSA) hours of service regulations with respect to property-carrying commercial motor vehicles equipped with sleeper berths shall become enforceable on January 1, 2006. Continues the effectiveness and enforceability until such date of the hours of service regulations in effect as of January 4, 2004, and any compatible state law.