Certificate of Service: Delaware permits the termination notice to be hand-delivered or mailed by first-class mail with a certificate of mailing, or by registered or certified mail. The Certificate documents delivery of the notice. (25 Del. C. § 5113)

Required Notice

Week-to-Week Notice: No statute.
Month-to-Month Notice: 60 days (25 Del. C. § 5106(d))
Lease Non-Renewal: 60 days (25 Del. C. § 5106(c))

Sample

PDF Word

Delaware Lease Termination Letter

Required Notice

Sample