First amendment to the instructions for implementing works in the manner of execution, Secretariat No. (1) for the year 2018.
The first amendment to the instructions of the National Center for Administrative Development and Information Technology No. (3) for the year 2012.
The third amendment to Resolution No. (3) for the year 1987 issued by the Ministry of Labor and Social Affairs regarding the classification of occupations for the purpose of union organizing for workers.