How to find the current patchset levels for products in Oracle Apps

To obtain the current patchset levels for each specific E-Business Suite functional product test the following steps:

1. Log into OAM.
(Responsibility System Administrator,"Oracle Applications Manager", menu "OAM Support Cart") 
and Navigate:

2. Support Cart --> Applications Signature --> Collect --> Check "Product Information" box
--> Click on "View" (eyeglasses)
This will display the following patchset information:
Application Name
Current Patch Level
Product Version
Status (Installed, Shared Product, Inactive)

3. The patchset level information can be retrieved directly from sqlplus with the following diagnostic script: