Honda does not have a sectioning procedure for the rear rails.

A tool that may be used to find out if the vehicle maker has a partial replacement or sectioning procedure is the I-CAR developed OEM Partial Part Replacement Search.

Check out the I-CAR Collision Repair News article: OEM Linking Pin: Honda/Acura Sectioning Clarification - UPDATE

Check out the I-CAR Collision Repair News article: Honda/Acura: Body Repair Manual Welding & Sectioning Guideline Revisions - UPDATE