Del. Code 13, § 730 : Domestic Relations — Parents And Children — Custody Proceedings — Petition to modify custody Date: 19 Aug 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 A party seeking to modify a custody order shall file a verified petition setting forth facts supporting the requested modification. Del. C. § 730 59 Del. Laws, c. 569, § 4; 70 Del. Laws, c. 186, § 1; 75 Del. Laws, c. 378, § 1.;