1. NFPA 1, Fire Code, (2021 Edition). Section 1.12.9, "Posting of Permit." The text states: "A copy of the permit shall be posted or otherwise be readily accessible at each place of operation or work site."
2. International Fire Service Training Association (IFSTA), Oklahoma State University. Fire Inspector and Code Enforcer, 8th Edition. Chapter 2, "Duties and Authority." This manual, used in fire science programs, explains that permits must be kept at the work site for inspectors to review, stating, "Once issued, the permit must be available at the work site for inspectors to review." (p. 45).
3. Jones & Bartlett Learning & NFPA. Fire Inspector: Principles and Practice, Revised 4th Edition. Chapter 3, "The Inspection Process." This text, based on NFPA 1031, reinforces the principle: "Once a permit is issued, it must be posted at the job site or be readily available." (p. 68).