156. The authorization holder keeps and maintains, for the duration of the work, registers concerning1° the persons arriving, leaving or present on the vessel or platform;
2° the location and movement of support craft;
3° emergency drills and exercises carried out;
4° operating tests of surface and subsurface safety valves;
5° the inspections of the installation and related equipment for corrosion and erosion;
6° daily maintenance activities; and
7° in the case of a floating installation, all installation movements, data, observations, measurements and calculations related to the stability and station-keeping capability of the installation.