Delaware Code (Titles 8, 9, 25, 30)
25 Del. C. § 155 — Acknowledgment or proof as evidence of recording; private examination of married woman
The private examination of a married woman, duly taken and certified, shall remain valid, although the deed upon which it is taken and certified is not recorded; but no other acknowledgment or proof, duly certified, of a deed or letter of attorney shall make such deed or letter of attorney evidence without its being duly recorded.
Source: official text