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.
Do not use state abbreviations simply to save time or space except in an address on an envelope or list. We do not use periods with state abbreviations: CT, NY, NJ. We use D.C. after the name of the city within the District of Columbia: Washington, D.C.; the APA Manual does not use periods with DC. The U.S. postal service, incidentally, does not insert a comma between the city and the abbreviated state name: Hartford CT, Portland OR â at least not in the addresses on envelopes.