(1) A licensee shall, when installing its facilities, take all reasonable steps to ensure that it causes as little detriment or damage, and inconvenience to the public, as is practicable in the circumstances. (2) If a licensee engages in any activity relating to any land under these Regulations, the licensee shall take all reasonable steps to restore the land to the condition it was before the activity began. (3)A licensee shall, when installing its communications systems, take all reasonable steps to— (a) Observe international standards and practices; (b) Protect the safety of persons and property; (c) Protect the environment; and (d) Ensure that the activity does not adversely interfere with— (i) The operations of a public utility; (ii) Public roads and paths; (iii) The movement of traffic; and (iv) The use of land (4) A licensee shall enter into an agreement with any public utility whose operations are likely to be affected by an activity of the licensee, to provide for the most convenient manner in which the licensee shall engage in that activity. 22. Validity of Provisions. Where one or more of the provisions of any licence, for any reason becomes invalid or unenforceable, the validity or enforceability of the other provisions of the licence shall not be affected. 23. Transitional provisions. (1) When the Commission introduces a new licensing framework, a person holding a licence issued under the former licensing framework (in this section referred to as an “old licensee”) shall continue to hold the licence in accordance with its terms