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.
Often swamped with paperwork, many entrepreneurs wonder how long you should keep business records. The answer depends a great deal upon whom you ask and what the record pertains to in your business. The IRS sets some basic record retention standards for tax records. Excluding employment tax records, files relating to current employees should be retained while they are working for you and at least 7 years after a current or former employee has left or been terminated. 2  For any job applicants who were not eventually hired, keep these files for at least 3 years.