1. (a) Authorization.— The parents may modify or terminate an agreement regarding custodial responsibility entered into under this subchapter.

2. (b) Prior to deployment.—

   1. (1) If an agreement is modified before deployment, the modification must be in a record and signed by:

      1. (i) both parents; and
      2. (ii) any nonparent who will exercise custodial responsibility under the modified agreement.
   2. (2) If an agreement is terminated before deployment, the termination must be in a record and signed by both parents.

3. (c) During deployment.—

   1. (1) If an agreement is modified during deployment, the modification must be agreed to in a record by:

      1. (i) both parents; and
      2. (ii) any nonparent who will exercise custodial responsibility under the modified agreement.
   2. (2) If an agreement is terminated during deployment, the termination must be agreed to in a record by both parents.

Cross References. Section 4613 is referred to in section 4612 of this title.