These two fields allow to specify a different default assignee for ticket opened against this package in bugzilla. Note: The EPEL field is always displayed for packages in the 'rpms' namespace regardless of whether it is used in bugzilla or not.
irsim-9_7_68-1_fc10:EL-5:irsim-9.7.68-1.fc10.src.rpm:1230564918