FIELD Firma LIKE ProvSumm.Firma VALIDATE ~
  FIELD Prov_Summ LIKE ProvSumm.Prov_Summ VALIDATE ~
  FIELD Bez LIKE ProvSumm.Bez VALIDATE ~
  FIELD Inhalt LIKE ProvSumm.Inhalt VALIDATE ~
  FIELD Menge LIKE ProvSumm.Menge VALIDATE ~
  FIELD Betrag LIKE ProvSumm.Betrag VALIDATE ~
  FIELD Prov_Art LIKE ProvSumm.Prov_Art VALIDATE ~
  FIELD Prov_Wert LIKE ProvSumm.Prov_Wert VALIDATE