Separate signature per supplier block

When one change order draws on several suppliers, the customer sees each supplier's portion separately and signs each block, and the CO only approves when all are signed.

What it is

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

See it
Separate signature per supplier block
Prepared for
Ronan Petsch
1140 Ridge Line Rd · Fair Play
Shell package$29,537
Concrete & site$8,575
Doors & windows$5,717
Trim & finish$3,811
Total
$47,640
Signature
The portal change order with two supplier blocks, one showing a captured signature and one still awaiting, and the header pill reading 'Partially Signed'. src/components/changeOrders/ChangeOrderViewer.tsx. Sample data — no customer information appears here.
How it works
  1. 1Each distinct supplier_id on the line items forms a block key; unassigned lines fall under the whole-CO block.
  2. 2signChangeOrderAsCustomer writes one signature row per block and then recomputes the status.
  3. 3All blocks signed → approved (decided_at stamped, ready for invoicing and supplier purchase orders); some signed → partially_signed.
  4. 4A change order with no supplier assignments collapses to a single block and behaves exactly like the original single-signature flow.
Why we built it

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.

The problem
  • A single signature failing to authorise multiple suppliers individually.
  • No visibility into which portion of a change order is agreed.
Sound familiar?
What you get
Each supplier holds authorisation for exactly their scope.
Partial agreement is a visible state, not an ambiguity.

See it on your own jobs

Twenty minutes, your numbers, no slide deck. We’ll build one of your real buildings in front of you and send you the estimate link at the end — yours to keep either way.

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