The criminality, punishability of an act and other legal consequences of its commission are determined only by the Criminal Code. In the operation of the criminal law in time a necessary element is the determination of the moment of the commission of the crime and on the basis of the official doctrine, the time of the commission of a crime is determined depending on the type of composition of crimes. There is an exception to the general rule of the operation of the criminal law in time and consists in extending the operation of the criminal law to acts committed before its entry into force. According to § 8 of Criminal Code an offense is committed at the time when the principal or the participants acted, or, in the case of an omission, should have acted. The time when the result occurs is irrelevant. It is not determined which criminal law  is applicable: "at the time of the commission of the crime", "at the time of the onset of these consequences" or "at the time of the resolution of the case". In our opinion in researching this topic we should collect and analyze legal studies of Germany, other developed European countries on a principle of legality, studying scientific doctrinal basis of the judicial position on principle of legality.

The principle of legality, operation

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German Criminal Law. General part = Strafrecht. Allgemeiner Teil: trans. from german / Helmut Frister. - 5th ed. - M.: Infotropic Media, 2013 .-- 712 p.

Criminal Code in the version promulgated on 13 November 1998, Federal Law Gazette [Bundesgesetzblatt] I p. 3322, last amended by Article 1 of the Law of 24 September 2013, Federal Law Gazette I p. 3671 and with the text of Article 6(18) of the Law of 10 October 2013, Federal Law Gazette I p 3799. https://www.legislationline.org/download/id/6115/file/Germany_CC_am2013_en.pdf

Modern German Criminal Law. - M .: TK Vel-bi, Publishing house Prospect, 2006 . 560 p.

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