What are the recommended Purchasing related Patches Upgrading from 18.104.22.168 to Release 12.1.3?
Before the upgrade check and follow the recommendations from note below:
Upgrade Advisor: E-Business Suite (EBS) Upgrade from 22.214.171.124 to 12.1.3 (Doc ID 269.1)
If you are using iProcurement, apply the patches recommended below and execute the pre-upgrade steps for catalog
Upgrading iProcurement Catalog Data From Release 11i to Release 12 (Doc ID 1289188.1)
After the upgrade to get the latest Procurement RUP patch check note:
12.1.3: Procurement Family Update - Current Rollup Patch : 18120913:R12.PRC_PF.B (Doc ID 1468883.1)