18 CFR 153.12 : Conservation Of Power And Water Resources (§ 1.101 To Parts 1318-1399) — (§ 1.101 To Parts 391-399) — Federal Energy Regulatory Commission, Department Of Energy (§ 1.101 To Parts 391-399) — Regulations Under Natural Gas Act (§ 152.1 To § 158.12) — Applications For Authorization To Construct, Operate, Or Modify Facilities Used For The Export Or Import Of Natural Gas (§ 153.1 To § 153.23) — Application Under Section 3 (§ 153.4 To § 153.13) — Pre-filing procedures for applications for authorization to site, construct, maintain, connect or modify facilities to be used for the export or import of natural gas.