This information type accepts a date. The additional option that applies to this type is:
Not before / after
Set a date range in which the provided date must fall.
Valid inputs here are 'YYYY-MM-DD' or the word 'now', which can be combined with a timeframe.
Example: if you want a valid date to fall between now and not earlier than 21 years and four months ago, in 'Not before' write: 'now - 21y - 4m - 0d'.
The valid range is dynamic, changing with every day 'now' changes.
Information fields where Date is a suitable type, are:
date of birth
expected retirement date