Do I need to sign and renew a business contract in Bangladesh?

I need to sign and renew a business contract in Bangladesh. If you work in Bangladesh, you need to renew your business visa. Generally speaking, you need to go to the local immigration office or the Aliens Administration in person. In the process of renewing insurance, you need to submit relevant materials and certificates, such as passport, work visa, company business license, tax registration certificate, etc. To prove your legal status and working status in Bangladesh.