An Employment Contract is a legally binding agreement. If one party breaches the contract, the other may take legal action against the other to enforce the terms in court. If the employer breaches the contract (e.g., by failing to provide leave entitlements), the employee may either resolve the issue on their own, or they might contact a lawyer and file a court claim. If the employee breaches the contract (e.g., by using illegal substances on company property), the employer might terminate the employee without notice. Alternatively, they might send the employee a warning letter and give them the chance to remedy the problem.