The company requires employees to participate in the notice

This is still good to write, can you write this way:

Notice

In order to implement the laws and regulations and government documents, the company has decided to buy social security for each employee, which is the company's care for the employees, but also a reflection of the company's culture, any employee without a justifiable reason shall not be excused, if it is in another unit or an individual has purchased the social security, you must provide the company with the participation of The invoice will facilitate the company to handle social security for other employees in a timely manner.

This notice

XXXXX XXXXXXXX XXXXXXXX department

X year X X month X

Extended reading: insurance how to buy, which is good, hand to teach you to avoid the insurance of these "pit"