Delaware Code (Titles 8, 9, 25, 30)
25 Del. C. § 211 — Revocation by instrument authorized; revocation by act not permitted
(a)
Subject to subsection (b) of this section, an instrument is effective to revoke a recorded transfer on death deed, or any part of it, only if the instrument meets all of the following:
(b)
If a transfer on death deed is made by more than 1 transferor, all of the following applies:
(c)
After a transfer on death deed is recorded, the transfer on death deed may not be revoked by a revocatory act on the transfer on death deed.
(d)
This section does not limit the effect of an inter vivos transfer of the property.
Source: official text