Many libraries, especially in developing countries, acquire materials on-approval. On-approval purchases are therefore fully supported. The following processes are automated.
| Library staff initiates requests to vendors for supply of one or more items for evaluation/approval. |
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| Details of items received are entered and routed to approving authorities |
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| Approving authorities return details online or offline after approval (or rejection). |
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| Approved items are moved to orders file and then on to the Request for invoice process since item in question is already in possession of the library. |