Line items can be tagged with a supplier. The portal then groups them into per-supplier blocks with their own subtotals and captures a signature per block, so each supplier holds legal authorisation for their own portion. The change order sits at 'Partially Signed' until every block is covered.
Also called: change order with multiple suppliers · sign each supplier's portion · split authorisation
- 1Each distinct supplier_id on the line items forms a block key; unassigned lines fall under the whole-CO block.
- 2signChangeOrderAsCustomer writes one signature row per block and then recomputes the status.
- 3All blocks signed → approved (decided_at stamped, ready for invoicing and supplier purchase orders); some signed → partially_signed.
- 4A change order with no supplier assignments collapses to a single block and behaves exactly like the original single-signature flow.
One change order often pulls materials from several suppliers, and a single signature across the whole thing gives no supplier a clear authorisation for their portion. The customer sees the work broken out by supplier and signs each block separately, so every supplier holds authorisation covering exactly what they are being asked to provide.
- A single signature failing to authorise multiple suppliers individually.
- No visibility into which portion of a change order is agreed.
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