Please let us know the possibility to delegate responsibility level access by using the Manage Proxies functionality in EBS version 12.1.3.
Our requirement is to delegate few selected responsibility access from one user to an another user for a particular period, Please let us know the possibility to use Preferences > Manage Proxies functionality for this or please suggest any other functionality available in EBS R 12.1.3 to fulfill this requirement.
Please see if these docs help.
How To Add People (Grant Access) Through Preference--> Manage Proxies Setup (Doc ID 1378402.1)
Unable To Grant Proxy Access On Deliverables (Doc ID 1453636.1)
UMX Proxy User Feature - Behind-the-Scenes (Doc ID 416035.1)
Can SYSADMIN User Set up Proxy Access for another User? (Doc ID 1606114.1)