Full billing import
One row per service location, including client, connection, package, subscription, and optional arrears.
client_namephonecnicemailcompany_nameclient_addressconnection_labelconnection_addressareacityreference_numberpackage_namemonthly_pricepackage_descriptionstart_datedue_daycustom_pricesubscription_statusbilling_montharrears_amountarrears_note