Del. Code Ann. tit. 6, § 9-526
(a) Adoption of filing-office rules. — The Secretary of State shall adopt and publish rules to implement this Article. The filing-office rules must be:
(b) Harmonization of rules. — To keep the filing-office rules and practices of the filing office in harmony with the rules and practices of filing offices in other jurisdictions that enact substantially this part, and to keep the technology used by the filing office compatible with the technology used by filing offices in other jurisdictions that enact substantially this part, the office of the Secretary of State, so far as is consistent with the purposes, policies, and provisions of this Article, in adopting, amending, and repealing filing-office rules, shall: