BULGARIA – CRIMINAL CODE
GENERAL PART
Chapter Two - CRIME
Section IV - Multiple Crimes
Article 27
(1) (Amended, SG No. 28/1982) Where a person commits a crime after he has been sentenced to deprivation of liberty by sentence that has entered into force, but before serving this punishment, the court shall add to the unserved part, entirely or in part, the punishment of the second sentence, provided it is deprivation of liberty. The total punishment as determined may not be less than the punishment under the second sentence.
(2) (Supplemented, SG No. 28/1982) The punishment under the second sentence shall be added entirely if it is deprivation of liberty for more than five years or if it is imposed for repeated crime or crime constituting a case of dangerous recidivism.
(3) Where the person has committed a crime after serving the punishment imposed by the preceding sentence, the punishment imposed for this crime shall be served entirely.
Recidivism of criminal offences
EDIT.