On March 1, 2005 you agree to take ownership of your neighbor's dog.
The dog is an adult dog that has had the rabies shot 2 times and was licensed in your jurisdiction.
The last rabies vaccination was given on January 1, 2004. Because this was not the dog's first rabies vaccination it is valid for 3 years (January 1, 2004 through January 1, 2007).
The license that your neighbor purchased was purchased on January 1, 2004. It was a three year license that expires on January 1, 2007.
Since licenses are not transferable to new owners you must purchase another license within 30 days of acquiring the dog (before March 31, 2005).
On March 15th you decide to purchase a license.
Since the jurisdiction you live in only offers 1 year and 3 year licenses you have three choices: