Changes to plans and specs should be signed and dated by all parties involved in that phase of construction.

• A. signed and dated
• B. approved and filed
• C. notarized and sealed
• D. stamped and witnessed

Answer: (A)

When changes are made to plans and specs, the key practice is to capture formal agreement and timing. Signing shows that everyone involved has reviewed and approved the alteration, taking responsibility for the change. Dating marks when the change takes effect, which is essential for scheduling, budgeting, and avoiding disputes later on. Together, signing and dating create a clear, enforceable record of the modification that everyone acknowledges.

Other options, while they may appear related, don’t guarantee that all parties have explicitly agreed to the change or when it becomes active. Approved and filed suggests internal approval but not necessarily explicit consent from every stakeholder. Notarizing and sealing adds a level of legal formality that isn’t routinely required for every construction change and may require licensed professionals for the seal. Stamping and witnessing isn’t the standard method for documenting change authorization across the project team. Signing and dating directly addresses both consent and timing across the involved parties.