(a) Authorization.--The parents may modify or terminate an agreement regarding custodial responsibility entered into under this subchapter.
(b) Prior to deployment.--
(1) If an agreement is modified before deployment, the modification must be in a record and signed by:
(i) both parents; and
(ii) any nonparent who will exercise custodial responsibility under the modified agreement.
(2) If an agreement is terminated before deployment, the termination must be in a record and signed by both parents.
(c) During deployment.--
(1) If an agreement is modified during deployment, the modification must be agreed to in a record by:
(i) both parents; and
(ii) any nonparent who will exercise custodial responsibility under the modified agreement.
(2) If an agreement is terminated during deployment, the termination must be agreed to in a record by both parents.