The functions of the system of labour inspection shall be: (a) to secure the enforcement of the legal provisions relating to conditions of work and the protection of workers while engaged in their work, such as provisions relating to hours, wages, safety, health and welfare, the employment of children and young persons, and other connected matters, in so far as such provisions are enforceable by labour inspectors; (b) to supply technical information and advice to employers and workers concerning the most effective means of complying with the legal provisions; and (c) to bring to the notice

Companies which have complied only with the bare essentials (e.g., book-keeping, administration) for organisation and registration in a particular country. The actual commercial activities are often carried out in another country. This is sometimes used to enable businesses to deviate from applicable legislation, resulting in violations of labour law or collective agreements, tax and/or social security compliance, leading to undeclared or under-declared work.