Like all shipments to non-EU countries, with Packlink, customs procedures are always handled by a customs agent.
As you know, it is very important that you consult with the destination country before sending your shipment to make sure you understand the requirements: Restrictions, necessary documentation, etc.
To make it easier, most Customs have a website where you can find information. Below is a list with links to the main customs offices in the Middle East. :)