To Set the Org Context for R12 Discoverer(10g)

Simply save the following value in the "Initialization SQL Statement - Custom" profile option at Responsibility level for your new Responsibility.

begin
gl_security_pkg.init; mo_global.init('M');
end;


Note: this may depend on your setup of the following profile options:

GL Ledger Name
GL: Data Access Set
MO: Operating Unit
MO: Security Profile