A tornado slides across Oklahoma. Image courtesy NSSL/NOAA. Continued vigilance and quick response to tornado watches and warnings are critical, since tornadoes can strike virtually anywhere at any time. Most tornadoes are abrupt at onset, short-lived and often obscured by rain or darkness.
Most nonprofits and charities must keep books and records for a minimum of six years from the end of the last tax year to which they relate. This retention period will be extended if returns are late-filed or if there is a notice of objection or appeal underway.
How long you should keep your business records on file depends on the action, expense or event the document records, according to the Internal Revenue Service.Documents that pertain to transactions and payments should be kept for at least 10 years, according to Financial Web.ow long you should keep your business records on file depends on the action, expense or event the document records, according to the Internal Revenue Service.