Del. Code Ann. tit. 5, § 795N
Other mergers or consolidations with out-of-state banks not permitted
70 Del. Laws, c. 112, § 15; 71 Del. Laws, c. 19, § 35;
Except as otherwise provided in this subchapter or by applicable law of the United States, no Delaware bank may merge with or into any out-of-state bank and retain any branch office in this State or otherwise continue to conduct a banking business in this State.