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.
You should keep most tax-related documents for a minimum of three years, but it's recommended that you keep them for seven years. If you've gone paperless, then your bank will generally store your statements for seven years, but check to see what your bank's policy is on maintaining its customers' records.