At least 30 days prior to the start of construction or reconstruction of any LPG facility, or portion thereof, each gas corporation shall file with the department a letter of intent, together with general design data for the proposed facility. The department shall be promptly notified of any significant change affecting the initial filing which may occur after submission of the initial filing. This requirement is intended to provide notice in those cases where piping alterations, installation of additional LP storage tanks, etc., could affect the safety of the facility. The requirement is not intended to apply to normal maintenance requiring replacement of small sections of existing pipe, etc.

At least five days prior to the commencement of any tests required by this Part during construction or reconstruction, the operator shall make notification to the department, except in an emergency shorter notice may be given.

Before any LPG facility is placed into operation, a report shall be filed with the department certifying that the facility has been constructed and tested in accordance with the requirements of the rules prescribed in this Part. The report shall include a summary of tests made pursuant thereto. Detailed results of all tests shall be available for examination by representatives of the department.