Questions & Answers for Physical Therapists and Physical Therapy Assistants. Introduction. Effective September 1, 2009, to renew your registration as a physical therapist or physical therapist assistant, New York State Education Law requires completion of 36 contact hours of approved continuing education in each three-year renewal period.
CO (both letters capitalized) is the standard abbreviation for  Colorado. Colorado is a state in the United States. The abbreviation of  Colorado is CO.Colorado is part of â¦ Western and Southwestern United  States.E The standard two letter abbreviation for the state of Maine is ME.
Note: AP Style state abbreviations differ from their corresponding US Postal Service abbreviations, are in parentheses. 1  Ala. (AL) â for Alabama. 2  Alaska (AK) â this state is not abbreviated in text. 3  Ariz. (AZ) â for Arizona. 4  Ark. (AR) â for Arkansas. 5  Calif. (CA) â for California. 6  Colo. (CO) â for Colorado. 7  Conn. (CT) â for Connecticut. 8  Del.