An internet addict. Depends on who issued it - for an exact date, contact the issuing agency. Red Cross CPR certifications last for 2 years and American Heart Association certifications last for 2 years. Regardless how long the certification is good for, certain standards like NFPA require it annually. Be sure to check your company policy. Best case practice yearly in regards to OSHA training requirements (BBP).
Bank and Cash Records. The Better Business Bureau recommends holding onto bank statements for three years, and Bankrate suggests storing them for at least seven years. Records of bank reconciliation reports need be maintained for only two or three years, and duplicate bank deposit slips should be held for three years.
Six years to life. Tax records: what to keep and how long to keep it. Every person who does business, or pays or collects taxes in Canada is required to keep records and books of account. This provides adequate support in the event of a review by the Canada Revenue Agency CRA. But what do you keep, in what format and for how long? Six years.