Do and Don't

Make sure to have a passport validity duration of no less than six months.
Inform the accredited Qatari Mission in the host country of your presence, and your companions, if any, and how to contact you when necessary.
Do not respond to people who inquire about your nationality or ask you to show your ID card without checking their official capacity.
When driving in the kingdom of Belgium, you must abide by the traffic laws to avoid legal accountability or fines, and you must carry a valid international driving license.
It is not allowed to carry firearms (even imitation guns), or swords or knives, to avoid the penalty of long-term imprisonment.
Child cruelty is illegal in both public places and at home.
Take necessary vaccinations to avoid infectious diseases.

Brussels - Kingdom of Belgium