A person, including a guardian ad litem, conservator, or other fiduciary, may waive notice or any other requirement for the mailing or receipt of instruments by a writing signed by him or his attorney and filed in the proceeding.
Neb. Rev. Stat. § 30-2221 — under DECEDENTS' ESTATES; PROTECTION OF PERSONS AND PROPERTY.
Neb. Rev. Stat. § 30-2221
A person, including a guardian ad litem, conservator, or other fiduciary, may waive notice or any other requirement for the mailing or receipt of instruments by a writing signed by him or his attorney and filed in the proceeding.