Summarise in your own words:

Question

2. The states parties to the present Statute may at any time declare that they recognize as compulsory ipso facto and without special agreement, in relation to any other state accepting the same obligation, the jurisdiction of the Court in all legal disputes concerning:
a. the interpretation of a treaty;
b. any question of international law;
c. the existence of any fact which, if established, would constitute a breach of an international obligation ;
d. the nature or extent of the reparation to be made for the breach of an international obligation.

Answer 1

States parties to the Statute can choose to recognize the jurisdiction of the Court automatically, without needing a separate agreement, for disputes relating to treaty interpretation, international law, breaches of international obligations, and reparations for breaches of international obligations.