Key Features
Complete control over your purchase workflow dates and valuation consistency.
PO Backdate Confirmation
Specify a custom confirmation backdate directly on your RFQ/PO, replacing the default confirmation timestamp upon approval.
Backdate Remarks
Log a reason/remark with each backdate, and choose in configurations to make remarks optional or strictly mandatory.
Automatic Receipt Sync
Propagates confirmation backdates automatically to incoming shipments (receipts), stock moves, and individual move lines.
Accounting Alignment
Ensures associated Vendor Bills, Journal Entries, and Journal Items are backdated to the exact transaction date.
Stock Valuation History
Aligns stock valuation layer records with the backdate, keeping inventory asset valuations fully accurate.
Bulk Mass Assignment
Select multiple purchase orders from the tree list view and assign backdates and remarks in bulk using a single wizard.
Workflow & Step-by-Step Guide
Visual walkthrough of configurations and backdating process in Odoo.
Enable Purchase Backdating Settings
Navigate to Purchase -> Configuration -> Settings. Scroll to the Purchase Backdate Settings block and check Enable Backdate For Purchase Order. This allows users to input custom dates when creating RFQs or confirming orders.
Set Backdate on Purchase Order
When creating or editing a Purchase Order / RFQ, you will see a new Backdate field. Simply select your desired date and time. This date will replace the default order confirmation date.
Activate Remarks & Mandate Reasons
To ensure auditing accountability, go to settings and check Enable Remark For Purchase Order. You can also tick Remark Mandatory For Purchase Order to force users to provide a reason for the backdate before saving or confirming.
PO Form with Active Remarks
With remarks enabled, the PO form displays a Backdate Remarks field. If mandatory, saving the PO without a remark will trigger Odoo's validation checks, blocking the action and highlighting the field.
Configure Document Propagation
To automatically pass the backdate down to subsequent operations, enable Bill Has Same Backdate and Receipt Has Same Backdate in settings. This guarantees that your receipts and vendor bills inherit the same backdate.
Valuation & Product Move Tracking
When incoming shipments are validated, the module backdates the receipt's date done, move dates, move line dates, and the related Stock Valuation Layer history records. This maintains proper valuation sequence for accounting metrics.
Vendor Bill Syncing
Generating a Vendor Bill for the backdated Purchase Order propagates the date and remarks. The bill's Invoice Date and Accounting Date are updated automatically upon posting, keeping journals and invoices perfectly aligned.
Bulk Selection in Purchase Orders List
With Mass Assign Backdate enabled in configurations, users can select multiple Purchase Orders or RFQs from the tree list view, click the Actions menu, and select Mass Assign Backdate.
Empty Mass Assign Backdate Wizard
Choosing the option opens an empty Mass Assign Backdate popup where users can specify the date and remarks to be applied across the selected orders.
Input Batch Dates & Remarks
Enter the desired backdate and remarks to be applied. Click Apply, and Odoo will begin processing batch assignments across all chosen documents.
PO Dates Mass Assignment Success
After batch processing, all selected Purchase Orders successfully show the custom backdate (e.g. May 3, 12:32 PM) as their official Confirmation Date and Expected Arrival.
Receipt Dates Mass Assignment Success
In addition to the POs, all associated Receipts (Stock Pickings) automatically reflect the custom backdate on their Scheduled Date, Effective Date, and Backdate fields.
Business Benefits
- Maintain highly accurate historical purchase histories
- Avoid manual database adjustments or complex Excel corrections
- Ensure inventory assets valuation fits the correct periods
- Prevent accounting date mismatches on Vendor Bills
- Audit-ready logs with mandatory remarks reasons
Technical Details
- Compatible with Odoo 17.0 Community & Enterprise
- Standard Odoo extension, clean module architecture
- ORM + SQL Hybrid execution for maximum performance
- Includes automatic Odoo Environment Cache Invalidation
- Clears and syncs all stock.picking, stock.move, account.move, and stock.valuation.layer records
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