What must accompany a repair to restore the container to its original security integrity?

• A. A Signed And Dated Certification Stating The Method Of Repair Used
• B. An Email Confirmation From Contractor
• C. A Generic Maintenance Log
• D. An Invoice

Answer: (A)

The main idea is formal verification and traceability of security repairs. When a container that protects classified material is repaired, you need an official record that proves the repair was performed correctly using an approved method. A signed and dated certification stating the method used does exactly that: it identifies who did the work, when it was done, and precisely which repair method or procedures were applied. This creates an auditable trail and confirms the container’s security features—seals, locking integrity, and overall ability to protect classified material—are restored to their required state.

Other options don’t provide that level of official, verifiable assurance. An email from the contractor is a communication note, not a formal, dated record of the repair method. A generic maintenance log is often too broad and may not document the specific method used or who authorized it. An invoice relates to payment, not the security integrity or restoration of the container.