Del. Code tit. 8, § 378

Any foreign corporation doing business of any kind in this State without first having complied with any section of this subchapter applicable to it, shall be fined not less than $200 nor more than $500 for each such offense. Any agent of any foreign corporation that shall do any business in this State for any foreign corporation before the foreign corporation has complied with any section of this subchapter applicable to it, shall be fined not less than $100 nor more than $500 for each such offense.