Fizure let's you change the contact person from the subcontractor company who submits the monthly works progress in the Pay Application.
To change the contact person, first make sure that the person is added to the subcontractor company as a contact.
Go to Subcontractors => Contacts => Check if the contact you want to assign the Pay Application submission to is in the list => If not, click "Add a new contact".
To assign a new subcontractor contact to who will submit the Pay Applications, open the subcontractor contract. Then click "Change contact person" on top right corner as seen on the image below: