St. Louis Encephalitis (SLE). St. Louis Encephalitis (SLE) is transmitted from birds to man and other mammals by infected mosquitoes (mainly some Culex species). SLE is found throughout the United States, but most often along the Gulf of Mexico, especially Florida.Major SLE epidemics occurred in Florida in 1959, 1961, 1962, 1977, and 1990.t. Louis Encephalitis (SLE). St. Louis Encephalitis (SLE) is transmitted from birds to man and other mammals by infected mosquitoes (mainly some Culex species). SLE is found throughout the United States, but most often along the Gulf of Mexico, especially Florida.
Seven Years. Keep any tax return and documentation that includes a claim for deducting worthless securities for seven years. There you have it. Check back in a few days and I'll share a few more tips on what to keep indefinitely and how to keep your records organized and safe.
Tips for Managing Your Tax Records. After you file your taxes, you will have many records that may help document items on your tax return. You will need these documents should the IRS select your return for examination. Here are five tips from the IRS about keeping good records. Normally, tax records should be kept for three years. Some documents â such as records relating to a home purchase or sale, stock transactions, IRA and business or rental property â should be kept longer. In most cases, the IRS does not require you to keep records in any special manner.