1 Function point analysis can be used to determine which environment/language/tool is more productive. 2  Function point analysis can provide a mechanism to track and monitor scope creep. 3  Function point counts at the end of each phase/stage of a project can be compared to the function points actually delivered.
You should keep most tax-related documents for a minimum of three years, but it's recommended that you keep them for seven years. If you've gone paperless, then your bank will generally store your statements for seven years, but check to see what your bank's policy is on maintaining its customers' records.
How long to keep financial records. You can't take everything with you, but you should safely store or electronically scan and save certain essential documents. The following are suggestions about how long you should keep personal finance and investment records on file: The IRS has three years from your filing date to audit your return if it suspects good-faith errors.