If your company is the design contractor but not involved in the construction phase you should instruct the client to notify you for your company’s input for any design discrepancies.
If your company has designed something but the field conditions on site mean a change is needed, the client or their contractor may try to back charge your company for the design changes they had to do on site.
You should include language in the contract that they must first give you the option of giving input before proceeding with changes that may result in back charges to your company.
