As a supplier, you can propose updates to a buyer’s purchase order (PO) at any time using the Accept/Propose action in SourceDay. This allows you to update key order details like quantity, cost, or delivery date - either for a single PO line or in bulk for up to 100 lines at once.
This guide covers:
Propose changes to open orders
While updating orders in SourceDay, suppliers are able to propose changes to the following order requirements:
- Quantity
- Cost
- Due Date or Ship Date
How to propose changes to individual PO Lines
Step 1: Select the PO Lines
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In your dashboard, check the box next to the PO line(s) you want to update
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To select all lines in your view, click the checkbox in the top row
Step 2: Click Accept/Propose
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This option is in the upper right corner of the PO table
Step 3: Review the Order Details
In the proposal window, you can:
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Jump to specific POs using the left-side summary
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Review full order details and attachments
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View the PO’s message history or previous activity
Step 4: Select the Propose action
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Click on the propose option
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Note: Some actions may not be available depending on the order’s status
Step 5: Enter Your Proposed Changes
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Edit the Quantity, Cost, and/or Date fields on the far right
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These fields autofill with current PO values - delete and type to update
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You can compare your new entries with past proposals using the Supplier Proposed column
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(Optional) Add a message to explain your changes - this is stored in the PO history
Step 6: Submit or Cancel
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Click Confirm to send your changes to your buyer
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Click Cancel to exit without submitting
How to propose changes in bulk
If you're applying the same updates to multiple PO lines, use Bulk Update to save time.
Step-by-Step:
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Select multiple PO lines from the dashboard
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Click Accept/Propose
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In the proposal window, click the Bulk Update option at the top
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Choose your action — Accept, Propose, Cancel, Reject, or Undo Changes
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If choosing Propose, enter the new Quantity, Cost, or Date in the bulk fields
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SourceDay will apply these values to all selected lines
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Add a single Message (optional) that will apply to all lines
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Click Confirm to submit
What happens after you submit your proposal?
If the buyer accepts your changes:
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The PO will automatically update in both SourceDay and your customer’s ERP system
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You’ll receive an email confirmation
If the buyer rejects or counters your proposal:
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The order line will not be updated
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You’ll receive a notification with the buyer’s comments or counter proposal
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The PO line will appear in your Buyer prosed changes view under Needs Attention
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From there, you can:
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Accept the original terms
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Propose new updates
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Message your buyer for clarification
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Tips for successful proposals
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Always double-check quantities and dates before submitting
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Use the Message box to provide reasoning — this improves the chances of acceptance
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Check your Needs Attention view regularly to stay on top of rejections or counter offers