Keep the sourcing decision record
PURCHASING TEMPLATE — not a COA, quotation or current-stock statement.

Material and plant part: [confirmed source / root declaration]
Assay and method requirements: [UV / HPLC / both, stated separately]
Proposed specification and revision: [source to provide]
Sample identity and lot: [source to confirm]
Documents applying to the sample and proposed shipment: [list]
Open questions and supplier responses: [record]
Technical acceptance decision and responsible reviewer: [record]
Quantity, application, destination and commercial terms: [buyer to complete]