1. The constitutional (the rights: the labour's freedom-and-association faces; the directives: the labour policy's aims).
2. The statutes (the Labour Act 2074; the Trade Union Act 2048; the Social Security Act 2074; the sectoral acts).
3. The delegated (the Labour Rules 2075; the bylaws; the orders).
4. The collective agreements (the bargaining's products — the terms' source in the enterprise).
5. The international (the ILO conventions-and-recommendations (U2); the treaties' domestication).
6. The judicial (the labour jurisprudence — the Labour Court's-and-SC's decisions).
7. The customs-and-standards (the workplace practices; the industry norms).