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.
sipp-3_1-2_fc9:EL-4:sipp-3.1-2.fc9.src.rpm:1215352044 sipp-3_1-5_fc11:EL-4:sipp-3.1-5.fc11.src.rpm:1245322564