MMR vaccine is recommended routinely for all children at age 12 through 15 months, with a second dose at age 4 through 6 years. The second dose of MMR can be given as early as 4 weeks (28 days) after the first dose and be counted as a valid dose if both doses were given after the child's first birthday.o. A measles-containing vaccine administered before the first birthday should not be counted as part of the series. MMR should be repeated when the child is age 12 through 15 months (12 months if the child remains in an area where disease risk is high).
Employee records may need to be kept for certain time periods based on labor laws, but for tax records you'll want to keep Form W-2 records for at least 5 to 7 years. Documentation used to fill out your tax returns should be kept for at least 5 to 7 years in case of audit.
What kinds of records should I keep? You may choose any recordkeeping system suited to your business that clearly shows your income and expenses. Except in a few cases, the law does not require any special kind of records. However, the business you are in affects the type of records you need to keep for federal tax purposes. How long should I keep records? The length of time you should keep a document depends on the action, expense, or event the document records.