The agency would require the purchasing office to notify the central office (where payment certification took place) within 20 days of the receipt of the invoice only in instances where the actual receipt of goods differed from the order, thus affecting payment.
The payment certification happened in the central office.
The payment certification happened in the factory.
If you dislike close quarters, you should know that the passageway is low and not very wide.
A sailor is peering into something.
A man is petting the animal.
They have fields on the form to track their success.
A man in a purple cape makes a twisted face at a hair dryer.
There is a person holding an object.