Del. Const. art. III, § 16
The Governor may on extraordinary occasions convene the General Assembly by proclamation; and in case of disagreement between the Houses of the General Assembly with respect to the time of adjournment, adjourn them to such time as the Governor shall think proper, not exceeding 3 months. The Governor shall have power to convene the Senate in extraordinary session by proclamation, for the transaction of executive business.
71 Del. Laws, c. 379 and 72 Del. Laws, c. 136; 84 Del. Laws, c. 281 and 85 Del. Laws, c. 5;