Firstly, you need to find the (the easiest way to obtain it is to buy it at the Flea Market). ). At the second level of the Therapist, you can exchange it for gold neck chains. You can also find it in drawers, jackets, and on the dead scavs.

Go to Customs and find a big red building; this is the customs terminal. Go to the second floor, open the door with a key, then breach the second door. There will be a folder in the table drawer; pick it up.

Then leave the location alive.

Next, you need to go to the Factory. Near the 'Gate 3' extraction point, on the 2nd floor, there is a makeshift where you should stash the folder.

To plant an item, hold down the "F" button and wait for a countdown. While planting, you can not perform any actions.

After that, extract through any exfil.

If you die BEFORE planting the folder, you need to gather it on Customs again.

Find the folder on the map
Find the planting place on the map  






Video guide for passing