Such solution is fixed by the NBU in resolution № 49 "About measures

 for banks and currency operations", dated 06.02.2014 (Resolution  49),

which is temporary.

So, change is:

 FROM 19^th of MARCH 2014  legal entities and  natural

persons-entrepreneurs MAY BUY currency at the earliest

on the 5th day day after the transfer of funds to the bank;

FROM 25^th of MARCH 2014  legal entities and natural

persons-entrepreneurs MAY BUY currency at the earliest

on the 4th day day after the transfer of funds to the bank

Read the text of this decision here:

http://www.bank.gov.ua/control/uk/publish/article?art_id=6300993&cat_id=55838