Answer: 1. Greeting people in the assembly

2. Sitting in the first empty place available without asking for anyone's seat or sitting between two people, except with their permission

3. Making room for others to sit

4. Not interrupting others' speech

5. Seeking permission and greeting people before leaving

6. Saying the assembly expiation supplication when the assembly is over. It reads: "Subhānak allāhumma wa bihamdik, ash-hadu allā ilāha illā ant, astaghfiruka wa atūbu ilayk" (Glory be to You, O Allah, and praise. There is no god but You. I seek Your forgiveness and I repent to You).