Section 16(3)(g) in Tamil Nadu Electricity Regulatory Commission Tamil Nadu Electricity Distribution Code
(g)Permission in writing shall be issued by the appropriate control person at the electrical interface to his/her counterpart responsible for carrying out work on any apparatus, switchgear or circuits beyond the electrical interface. Such permissions shall be termed as Line Clear Permits (LCP). The format of the LCP shall be standardized by the Licensee and shall be used by all concerned. Detailed rules framed by the Licensee pertaining to such works and Line Clear Permits (LCPs) shall be circulated to its personnel as part of its internal administration.