Rule 25-12.005 is amended to adopt the most current applicable Code of Federal Regulation sections for natural gas pipelines; Rule 25-12.008 is amended to delete obsolete requirements and reflect the adoption of the most current applicable C.F.R. section; Rule 25-12.027 is amended to reflect the adoption of the most current applicable C.F.R. section; Rule 25-12.052 is amended to remove obsolete language and to reflect the adoption of the most current applicable C.F.R. section; Rule 25-12.082 is amended to specify the time frame within which major pipeline construction or alteration notification must be given to the Commission.