Like other nutrition programs around the world, Canada's Food Guide divides nutrition into four main food groups: vegetables and fruit, grain products, milk and alternatives, and meat and alternatives.
Therefore, it is in the school district's discretion to decide how long to keep such records. In keeping with the intent of 603 CMR 23.06, however, the time limit for destruction of the record should probably be not less than sixty years for a transcript and not more than five years for the temporary record.
Document retention: Employers must retain employee exposure records for the duration of employment plus 30 years. Training records must be retained for 3 years from the date on which the training occurred, although it is advisable to retain training records for the duration of employment.