Article II of the Convention on the Prevention and Punishment of the Crime of Genocide in Estonian
Adopted by Resolution 260 (III) A of the U.N. General Assembly on December 9, 1948.
Entry into force: January 12, 1951.
Estonia became a party to the Genocide Convention on October 21, 1991.
List of parties to the Convention (UNHCHR status report), Nations that are NOT party to the Convention (this website)

Article 6 of the Rome Statute of the International Criminal Court in Estonian
Adopted was adopted on 17 July 1998 by the United Nations Diplomatic Conference of Plenipotentiaries
on the Establishment of an International Criminal Court in Rome on July 17, 1998.
Entry into force: July 1, 2003
Estonia ratified the Rome Statute on January 30, 2002.
Ratifications and signatures (UN website)

The texts of Article II and Article 6 include the same international definition of genocide.