1. Except as otherwise provided in NRS 127.070, 127.2815 and 127.282, a written consent to a specific adoption pursuant to this chapter cannot be revoked or nullified.2. Except as otherwise provided in NRS 127.070, a relinquishment for adoption pursuant to this chapter cannot be revoked or nullified.3. A minor parent may execute a relinquishment for adoption and cannot revoke it upon coming of age.