Final demands

G*** I had to phone to get this account although they had my details on there system from previous encounters whereby none of my details have changed I then receive an acc twice on 25/2 then 2x on 26/2 and on 27/2 after I said I’ll pay an amount every f***x month today I receive a f***x final notice like what the f*** I started paying when I received an account they do not send the account to the right person then account gets handed over or your threatened this is not on