Does the dentist participate in your dental health plan? What is the dentist's office policy on missed appointments? If visiting a dentist's office: Does the office appear to be clean, neat, and orderly? Do all surfaces and equipment in the treatment room appear clean? Is the dental staff helpful and willing to answer your questions?
1 Cancelled checks: Keep for one year in most cases. 2  Discard checks,check registers, check statements and credit-card statements after a year. 3  However,keep checks and credit-card statements needed to support tax filings seven years. 4  Loan-discharge notices: Keep forever in a safe-deposit box.
Answer Wiki. As Ms. Wilson posted, generally commercial and government checks specifically state how long they are valid. For example, I have seen quite a number of checks issued by the federal government with the statement Valid for 20 years from the date of the check.