Each local and regional board of education shall annually, before the first of October, return to the Commissioner of Education the name and the address of employment and contractual annual salary, or the equivalent thereof, of each teacher, principal and superintendent or other certified person which it employs. Each local and regional board of education shall submit to the Commissioner of Education, within seven days after receipt of notice of the decision to accept a contract offer for employment as a new superintendent, the name and address of the person accepting such offer.