Section 3212-A - Records of telephone numbers1. Each school shall maintain a record of the telephone number of each pupil enrolled in the school and each person in parental relation to such pupil including the residential and business telephone numbers of persons in parental relation to pupils unless such person or pupil chooses not to supply such numbers. The record of such telephone numbers shall, except as otherwise provided by law, be accessible solely for emergency purposes.2. The provisions of this section shall not be applicable in any school district in which the board of education has adopted a resolution providing that the record otherwise required hereby shall not be maintained.