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.
avr-libc-1_6_4-1_fc11:F-9:avr-libc-1.6.4-1.fc11.src.rpm:1235052940