The menstrual cycle is from Day 1 of bleeding to Day 1 of the next time of bleeding. Although the average cycle is 28 days, it is normal to have a cycle that is shorter or longer.Girls usually start having menstrual periods between the ages of 11 and 14. Women usually start to have fewer periods between ages 39 and 51. Women in their 40s and teens may have cycles that are longer or change a lot.he menstrual cycle is from Day 1 of bleeding to Day 1 of the next time of bleeding. Although the average cycle is 28 days, it is normal to have a cycle that is shorter or longer.
If you have employees, including household employees, keep your employment tax records for at least four years after the date that payroll taxes become due or is paid, whichever is later. This should include forms W-2 and W-4, as well as related pay information including benefit forms.
Income Tax Records. The Internal Revenue Service requires companies to keep business tax returns and supporting documents for a minimum of three years from the time of filing. During this time, the return can be amended or audited. If you failed to report income, however, the IRS can come after your business for up to six years. If the business took a deduction for a worthless security or bad debt, the IRS can pursue the issue for seven years. To be safe, a business should keep tax records in its permanent files. If that's not possible, tax records should be kept for seven years to account for most scenarios where the records might be needed. Payroll Tax Records The IRS recommends businesses keep all employment tax returns, substantiating documents and proof of withholding tax payments for at least four years after the return was filed or the taxes were paid, whichever is later.