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.
EEOC Regulations require that employers keep all personnel or employment records for  one year. If an employee is involuntarily terminated, his/her personnel records must be retained for one year from the date of termination. Under ADEA recordkeeping requirements, employers must also keep all payroll records for three years. Additionally, employers must keep on file any employee benefit plan (such as pension and insurance plans) and any written seniority or merit system for the full period the plan or system is in effect and for at least one year after its termination.