Definition of Expiration
Cessation; termination from mere lapse of time, as the expiration of a lease, insurance policy, statute, and the like. Coming to close; termination or end.
The term “expiration,” as in an insurance policy, refers to termination of the policy by lapse of time covering the policy period, while “cancellation” refers to termination of the policy by act of either or both parties prior to ending of the policy period.
That's the definition of Expiration in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.
