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.
mod_gnutls-0_5_5-5_fc11:F-12:mod_gnutls-0.5.5-5.fc11.src.rpm:1254431529