Because of introduction  restrictions of cash payments in the amount of more than 150 thousand UAH.
Due to restrictions of the NBU from September  1  cash payments of more than 150 thousand UAH  according agreements  which need  notarization  (also  agreement for buying  real estate)   -  payment according agreement  only   in national currency  by transfer  funds from  ACCOUNT to ACCOUNT (account of seller to account of buyer),  including in the deposit of notary on the segregated current account).