Frequency is measured in hertz (Hz). A person who has hearing within the normal range can hear sounds that have frequencies between 20 and 20,000 Hz. The most important sounds we hear every day are in the 250 to 6,000 Hz range.
An issue date was added, and cheques may not be valid a certain amount of time after issue. In the US and Canada a cheque is typically valid for six months after the date of issue, after which it is a stale-dated cheque, but this depends on where the cheque is drawn; in Australia this is typically fifteen months.
While it may be possible to cash a check thatâs more than six months to a year old, there are several things consumers need to consider before heading to the bank with Nanaâs old checks. Itâs up to the bank. First things first: There is no hard-and-fast rule about when a check becomes expired. The Uniform Commercial Code, which is a standard set of business laws that governs financial contracts and has been adopted by most states, says that a bank does not have to accept a check more ...