- unless ( $conf->exists('disable_previous_balance', $agentnum)
- || $conf->exists('previous_balance-summary_only')
- || ! $self->can('_items_previous')
- )
- {
+ # previous invoice balances in the Previous Charges section if there
+ # is one, otherwise in the main detail section
+ if ( $self->can('_items_previous') &&
+ $self->enable_previous &&
+ ! $conf->exists('previous_balance-summary_only') ) {