It is valid for up to one year from the date of issue.
Under the new system, a patent is valid 20 years from the date of application.
The licence was valid from 1 April 1966, for five years.
Pass shall be valid for 30 days from issue date.
These were called the Dutch pilot books and remained valid for the period from 1643 to 1680.
The current license agreement is valid from 2011 to 2015.
All tickets are valid 3 months from the date of issue.
Valid from the time of first use, for the duration selected.
This flood risk standing advice is valid from 24 January 2011.
In my view, this legislation is valid from all viewpoints.