Definitions of pass through
for a person or thing to move through one physical area or official process, especially one which involves the completion of certain formalities (=official processes that must be carried out)
They had to pass through security checkpoints.
to transfer a tax, higher or lower price, profits or losses or other sum of money directly to customers, partners in a business or other particular groups
The profits and losses passed through to the partners, to be reported on their tax returns.