English to Polish Law/Patents Law: Contract(s)

1. Subject to provisions of section 2 below, the Architect reserves the right, and the Principal agrees, to subcontracting parts of the services covered by the Agreement to appropriately qualified and specialized architects subject to the following conditions:
a) it shall not add to the Principal's liability, in particular the Architect will attach evidence of proof that subcontractors have been paid in full by any of the Architect’s invoices sent to the Principal, failing which the Principal shall be entitled to delay payment. In the event that the Architect is unable to pay the subcontractors, or where the Principal has concerns in its full discretion that the Architect may delay payment to the subcontractors, or where the Architect and the Principal agree, the Principal is entitled to pay the subcontractor/s directly and to offset the amounts from the amount of the Architect's invoice to the Principal,

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