(2) A contract with an employee shall be in writing if the contract provides that the employee is to work outside the United Republic of. Tanzania. 15. Such laws include the Railway Labour Act(1926), the Norris-La Guardia.Anti-Injunction Act (1932), and the Byrnes Act (1936) against theinterstate. Laws in Tanzania govern overall conducts and relationships between the employer and employees. NATLEX - Database of national labour, social security and related human rights legislation. The main sources of labour law in Tanzania are the Constitution, statutes such as the Employment and Labour Relations Act, and case law. Help make pay equity the norm in California. Tools and resources for employers, employees and unions to comply with the Equal Pay Act are now available. Labour laws labour code or employment laws are those that mediate the relationship between workers, employing entities, trade unions, and the government.