Unstable angina is potentially serious, and chest pain is persistent, but blood tests do not show markers for heart attack. With NSTEMI, the blood tests suggest a heart attack, but most likely, injury to the heart is less serious than with a full-blown heart attack.
How long to keep records. You must normally keep records for at least 6 years from the end of the last company financial year they relate to. You may need to keep records longer if: 1  they show a transaction that covers more than one of the companyâs accounting periods.2  the company has bought something that it expects to last more than 6 years, like equipment or machinery. 3  you sent your Company Tax Return late.ou must also keep any other financial records, information and calculations you need to complete your Company Tax Return. This includes records of all money: 1  spent by the company, eg receipts, petty cash books, orders and delivery notes.
4. Seven Year Rule for Record Retention(general rule). The rules on how long to keep financial records varies depending on what you are saving. For up to date tax filings, 7 years is a safe rule of thumb.Some people might say that is too long, but it is easier to follow this rule than to have to keep track how long you should keep different info.We suggest you keep tax returns for the life of your company. Scan them and save them both on and off site... Seven Year Rule for Record Retention(general rule). The rules on how long to keep financial records varies depending on what you are saving. For up to date tax filings, 7 years is a safe rule of thumb.