Article 53 of Presidential Decree no. 886 of 1979 concerns the provisions on the use of underwater operators, "working performance in immersion for positioning the platform, for the inspection and maintenance of submerged equipment or for similar works". These activities "must be carried out:
- only by experienced and physically suitable personnel
- directed by a manager of proven ability
in compliance with the relevant regulations and the rules of good practice".
The reference to UNI 11366 defines a legislative, regulatory and procedural framework that guarantees professional diving activities in the name of maximum safety.