FIELD Firma LIKE ProvTab.Firma VALIDATE ~
  FIELD Vertr LIKE ProvTab.Vertr VALIDATE ~
  FIELD Art_Wgr LIKE ProvTab.Art_Wgr VALIDATE ~
  FIELD Prov_Summ LIKE ProvTab.Prov_Summ VALIDATE ~
  FIELD Vertreter AS CHARACTER FORMAT "x(30)" LABEL "Vertreter"~
  FIELD Warengruppe AS CHARACTER FORMAT "x(30)" LABEL "Warengruppe"