Custom responsibility cannot read ar_system_parameters

Question

We are upgrading from EBS 11.5.10 to 12.1.3
I am not able to run the seeded report ARXAGE (Aging - 4 Buckets Report) in R12 from a custom responsibility, though I am able to run it from the seeded Receivables Manager responsibility.
The resaon being the Charts of Accounts parameter value is not defaulting. The default value is :
select sb.chart_of_accounts_id   from gl_sets_of_books sb, ar_system_parameters sp  where sb.set_of_books_id = sp.set_of_books_id
I am turing on the display property of the Charts of Accounts parameter. When I a logging onto Receivables Manager and attempting to run the program - the Charts of Accounts parameter is defaulting to 101. However when when I am trying to run the same report from the Custom Responsibility the Charts Of Accounts parameter is not populating with any default value. This is despite Examine/Profile$/ORG_ID is showing a value for the custom responsibility.
When I am updating the parameter value to 101 - the process is still failing - because in the before report trigger there is a query on ar_system_parameters which is failing.
I would like to know what needs to be done and why ar_systems_parameters could not be read from the custom responsibility (but can be read from Receivables Manager responsibility)
I have compared the profile setup at responsibility level for both the Custom and Receivables Manager responsibility in R12.
For custom responsibility - HR:User Type and MWA: Enable Personalization are defined.
For Receivables Manager - AR: Dunning Letter Remit-To Address Label Size, AR: Mask Bank Account Numbers, AR: Use Statement, Dunning, and Late Charges Site Profiles, AR: Keep or Replace Existing Profile Amounts only.
So I guess ORG_ID is defaulting from the Site Level for both. So what needs to be done to setup Application Context for the custom responsibility.
Thanks

Answer 1

Thanks for the update and for sharing the solution!
Regards,
Hussein