Section 407-320-3 - GENERAL PROVISIONSA. Each T&D Utility shall construct, maintain and operate its T&D system such that it provides safe and adequate T&D service to its Customers.B. All new construction, reconstruction, maintenance, design, and operation of T&D Systems shall comply with the provisions of this Chapter and with all Applicable Codes, Standards, and Requirements.C. Each Investor-Owned T&D Utility shall collect all information required by this rule that is necessary to comply with Sections 5, 6, 7, and 8. D. Each T&D Utility shall maintain Terms and Conditions to implement the provisions of this Chapter. The Terms and Conditions must be approved by the Commission and must be periodically reviewed and modified or updated as necessary by each T&D Utility to conform to any changes or updates to, or replacements of, the applicable standards and requirements set forth in this Chapter, or to any other Applicable Codes, Standards and Requirements. Modifications or updates to the Terms and Conditions must be approved by the Commission.E. Unless otherwise indicated in this Chapter, T&D Utilities shall keep all records required by this rule for a period of at least ten years. All such records shall be available to the Commission upon request.65-407 C.M.R. ch. 320, § 3