Job Recruitment Website - Social security inquiry - What are the reasons for social security payment?

What are the reasons for social security payment?

Long-term business trip, failure to submit personal materials to the company on time, resulting in failure to pay social insurance as scheduled in the month of employment.

This reason will do. I always write like this.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.