Chapter II
Crimes
Section I
Crime of genocide and crimes against humanity
Article 9
Crimes against humanity
Anyone who commits any of the following acts as part of a widespread or systematic attack directed against any civilian population:
(b) Extermination, which means the infliction on the whole or part of a population of harsh conditions of life, such as deprivation of access to food or medicine, calculated to bring about the death of one or more persons;
shall be punished with a term of imprisonment of 12 to 25 years.
Extermination - crimes against humanity
EDIT.