ICANN has announced an exchange of letters with the country code top level domain (ccTLD) manager for .ua .
There are two mechanism by which the ccTLD managers can formalise their relationship with ICANN.
The first one is an Accountability Framework.According to ICANN,this means " a document that sets out the obligations of a ccTLD manager and ICANN. It also covers dispute resolution and termination and is designed for ccTLD managers requiring a formal document with ICANN."
The second mechanism is an exchange of letters.This exchange of letters "between ICANN and the ccTLD manager designed for those for whom a simple statement of commitment is more appropriate."
You can find the exchange of letters on ICANN's page ,here .