Cats in Delaware, United States: rules and travel
Dogs 6 months and older need a state licence, a leash outside private property, and rabies vaccination. Owners are strictly liable for dog injuries.
State law covers licensing; some municipalities add their own dog ordinances.
The national rules for United States apply here too. National rules
Keeping rules
Rabies: cats 6 months or older, same rule (3 Del.C. 8204).[1]
Laws change: this is general information, not legal advice. The authority linked on each line has the final word.