(a) A disclaimer of an interest in property by an appointee of such interest in property as a result of an exercise of a power of appointment by a holder takes effect as of the time the instrument by which the holder exercised the power becomes irrevocable.
(b) A disclaimer of an interest in property by a permissible appointee of an interest in property or by a taker of an interest in property as a result of a holder's failure to effectively exercise a power of appointment granted to such holder (a taker in default) takes effect as of the time the instrument creating the power of appointment becomes irrevocable.
Structure Delaware Code
Title 12 - Decedents' Estates and Fiduciary Relations
§ 603. Scope; property subject to disclaimer.
§ 604. Chapter supplemented by other law; chapter not exclusive.
§ 605. Power to disclaim; requisites and execution; when irrevocable.
§ 606. Disclaimer of interest in property.
§ 607. Disclaimer of rights of survivorship in jointly held property.
§ 608. Disclaimer of interest by trustee.
§ 609. Disclaimer of power held in fiduciary capacity.
§ 610. Disclaimer of power of appointment or other power not held in fiduciary capacity.
§ 612. Delivery and recording requirements.
§ 613. Disclaimers affecting real property.
§ 614. When disclaimer barred or limited.
§ 615. Tax qualified disclaimer.