Final answer:
Deviations from National fire protection standards in technical implementation guides need approval by the relevant authority having jurisdiction or a designated waiver authority in the Department of Defense.
Step-by-step explanation:
Technical implementation guides containing deviations from National fire protection standards not addressed in DoD or Air Force guidance require approval by the authority having jurisdiction (AHJ) or a designated waiver authority within the Department of Defense or respective service branch. Approval processes are generally detailed in specific military engineering regulations or instructions that provide oversight on fire protection policies and safety measures.