Measures for the Implementation of Paid Annual Leave for Enterprise Employees was issued through Order No. 1 of the Ministry of Human Resources and Social Security and came into effect on September 18th, 2008. It is a refined explanation to the Regulations on Paid Annual Leave for Employees promulgated by the State Council, contains 19 articles, including provisions on the conditions for employees to enjoy paid annual leave, calculation of days for paid annual leave, determination of the base for payment of wages in paid annual leave, wages to be paid for working in paid annual leave and conditions under which paid annual leave can not be enjoye