This state-specific guide covers labor and employment case law, statutes, rules, and regulations that HR professionals and clients often encounter Washington's non-competition agreement law governs when a non-competition agreement may be considered valid or enforceable under state law.Contract Employment in Washington State. An uptodate guide on Washington labor laws. Discover the latest changes to Washington laws on overtime, minimum wage, and more. If you've experienced a breach of an employee contract or feel that you've signed an exploitative or discriminatory contract, a lawyer may be able to help. Washington law allows for an employee to sign a contract with an employer with terms that are for cause. Washington state businesses that have noncompetition agreements with employees or independent contractors will be subject to new requirements. They may be willing to waive the fourweek notice requirement, or they may be willing to negotiate a shorter notice period.