Delaware Code Title 12. Decedents' Estates and Fiduciary Relations § 3546. Limitation on action contesting validity of trusts

(1) One hundred twenty days after the date that the trustee notified in writing the person who is contesting the trust of the trust's existence, of the trustee's name and address, of whether such person is a beneficiary, and of the time allowed under this section for initiating a judicial proceeding to contest the trust provided, however, that no trustee shall have any liability under the governing instrument or to any third party or otherwise for failure to provide any such written notice. For purposes of this paragraph (a)(1), notice shall have been given when sent to the person to whom the notice was given. Absent evidence to the contrary, it shall be presumed that notice was received by the person 7 days after it was sent to such person in accordance with § 3534 of this title;

(2) Two years after the trustor's death;

(3) If the trust was revocable at the trustor's death and the trust was specifically referred to in the trustor's last will, the time in which a petition for review of a will could be filed under this title; or

(4) The date the person's right to contest was precluded by adjudication, consent or other limitation.