Two conditions must be fulfilled in order to pursue, on the national level, a criminal who committed his crime outside the Lebanese territories:
1-The  committed crime should not be subject to the territorial ,subjective, or personal
   competence as defined by articles 15 to 17, the conclusion of article 18 , and articles 19 to 21
   of the the Lebanese penal code.
2-The extraction conditions stipulated in articles 31,33,and 34 of the Lebanese penal codes
    should be fulfilled.

Thus, a notice of research is issued against him on the national level, and when arrested, he is submitted to the office of the Public Prosecutor at the Supreme Court in order to make a decision about handing him over to the requesting country on basis on  the international agreements or the principle of reciprocity. 

Article 15: The Lebanese legislation shall apply  to all crimes committed on the Lebanese territories.

The crime is considered to be committed on the Lebanese territories:
1- If one of the crime elements, an act of an undivided crime, or an original or a secondary act
     were perpetrated on the Lebanese territories.
2- If the result of the crime occurred or was expected to occur on the Lebanese territories.

Article 16 : The Lebanese territories include the atmosphere that covers them.

Article 17 : Are considered to be of the Lebanese territories, for the application of the penal legislation:
1- The territorial sea up to 20 (twenty) Kms from the coast, as of  the minimum level of the ebb.
2- The atmosphere that covers the territorial sea.
3- The Lebanese vessels and airplanes.
4- The foreign territories occupied by the Lebanese army, if the  committed crimes  may
     undermine the security or the interests of the army.
5- (added by law NR 513, dated 06/06/1996).
The limitrophe zone, the prohibitive economic zone and the continental shelf, belonging to Lebanon, in addition to the static platforms in this continental shelf, in application of the UN convention of the law on seas, signed on 10/12/1982 in Montego Bay (Jamaica), to which the government adhered, by virtue of law NR 29, dated 22/02/1994.

The end of the first paragraph of article 18:
The Lebanese legislation shall not apply:
1- In the Lebanese atmosphere, to the crimes committed on board of a foreign airplane, if the
    crime does not go beyond the airplane.
However, are subject to the Lebanese legislation, the crimes which do not go beyond the airplane, if the perpetrator or the victim are Lebanese nationals or if the airplane landed in Lebanon after the crime was committed.

Article 19: (as amended by law NR 513, dated 06/06/1990) .
The Lebanese legislation shall apply  to every Lebanese, foreign national, or stateless person who commits, whether as perpetrator,  accomplice,  instigator or  accessory, outside the Lebanese territories or on board of a foreign airplane or vessel:
1- Crimes against the security of the State; forges the stamp of the state; counterfeits Lebanese
    or foreign currencies or bonds which are legally or conventionally in circulation inside
    Lebanon, or  Lebanese passports, visas, identity cards or civil status extracts.
However, such regulations shall not apply to foreign national whose act is contrary to the International Law.
2- Crimes against the safety of air and water navigation, stipulated in articles 641, 642 and 643,
    amended in the penal code .
3- One of the crimes against the safety of the static platforms in continental shelf, belonging to
    one of the countries of the Roma Protocol, dated 10/03/1988.
4- Crimes in order to force Lebanon to execute or abstain from doing an act, if in such case a
     Lebanese national was intimidated, confined, wounded or killed.

Article 20: The Lebanese legislation shall apply to every Lebanese national, who commits as perpetrator, instigator or  accessory, outside the Lebanese territories, a crime or an infraction, sanctioned by the Lebanese legislation.
The same goes even if the defendant has lost or obtained the Lebanese citizenship after committing the crime or the infraction .

Article 21: The Lebanese legislation shall apply outside the Lebanese territories to:
1- Crimes committed by the Lebanese employees, during the execution of their mission .
2- Crimes committed by the employees of the diplomatic corps or by the Lebanese consuls, who
     enjoy immunity, by virtue of the General International Law .

Article 31: Extradition shall be allowed when the crimes:
1- are committed in the territories of the extradition requesting country.
2- undermine the security of the State or its financial status.
3- are  committed by one of its citizens.

Article 33: This article was amended by law-decree NR 112, dated 16/09/1983, as follows:
Extradition shall be rejected:
1- If the Lebanese legislation does not punish the crime by a criminal sentence or if the
    conditions of the perpetration of the crime cannot be available in Lebanon, because of its
    geographical situation.
2- If the sentence stipulated in the law of the extradition requesting country or in the law of the
    State where the acts have been committed, does not exceed 1 (one) year of imprisonment for
     the whole crimes, subject of the request.
Extradition shall also be rejected when the imposed  sentence is of less than 2 (two) months of imprisonment.
3- If the judgment pronounced in Lebanon has been irrevocable or the sentence have been
    dropped according to the Lebanese legislation,  the jurisdiction of the extradition requesting
    country, or that of the country where the crime has been committed .

Article 34: Extradition shall also be rejected:
1- If the extradition request deals with a political crime or is for a political reason .
2- If the defendant has been enslaved in the extradition requesting country .
3- If the sentence imposed by the jurisdiction of the extradition requesting country is contrary to
     the regime of the community.

Article 641: (amended by law NR 513, dated 06/06/1996).
Shall be sentenced to temporary hard labor, whoever:
-Takes over, illegally and by any means, an anchored or a sailing vessel or  the goods it carries;
  or makes any  maritime forgery operations or piracy acts; takes control of the vessel or 
  commands  it or forces its captain or commander to change the route whether by intimidating
  him or by using violence.
-Takes over,  illegally and by any means,  a static platform in the continental shelf or controls it by
  intimidation or by using violence.
-Commits illegally and intentionally  one of the following acts which may undermine the safety of
  the vessel, the security of the maritime navigation, or the static platform of the continental shelf:
1- Destroying the vessel or causing heavy damages to it or to its loading.
2- Putting or forcing the others to put a device or a substance on board of a vessel or a static
     platform, to endanger them or cause damages to the loading.
3- Causing heavy damages to a port used for maritime navigation, to the premises, the
     equipment or the services of the maritime navigation; or trying to seriously impede their
     function.
4- Reporting false information intentionally.
 According to article 258 of the Penal Code, the sentence issued against the captain of the vessel will be tightened if he is the  perpetrator of the crime ,  an accomplice, an instigator or an accessory to it.
The captain may also be decisively banned from the exercise of the profession, as well as the other perpetrators, accomplices, instigators or accessories to the crime if their profession is related to the maritime navigation or trade.

Article 642: (amended by law NR 513, dated 06/06/1996).
A sentence of life hard labor shall be pronounced if one of the crimes stipulated in article 641 (amended) of the Penal Code, has been committed by two or more armed persons, who used arms or threatened to use them; or if there was use of violence when the crime was committed.
A sentence of capital punishment  shall be pronounced if the crime led to the drowning of the vessel, the death of any passenger, the destruction of the static platform, or the death of any person being on it.
The sentence shall be restricted to temporary hard labor imprisonment if the crime led to the destruction of the premises, the equipment or the services of the maritime navigation, or to the death of any person, because of terror or any other reason related to the crime.

Article 643: (amended by law NR 513, dated 06/06/1996)
Shall be sentenced to temporary hard labor, whoever:
- Takes over, illegally and by any means, an airplane while flying,   controls or commands it,
   threatens  or uses violence in order to change its route.
- Commits illegally and intentionally  one of the following acts, which may undermine the safety of
   the air navigation or the security of the airplane:
1- Causing intentional damages to an airworthy airplane, making  it out of order.
2- Causing intentional damages to the premises or equipment or services of the air navigation
     or causing intentional damages to the premises of the airport .
3- Intentionally reporting false information.
A sentence of life hard labor shall be pronounced, if one of the crimes stipulated in this article has been committed by two or more armed persons, who used arms or threatened to use them; or if there was use of violence when the crime was committed.
A sentence of capital punishment shall be pronounced if the perpetrator commits, by any means, an act of sabotage which may endanger the safety of the airplane or if the act leads to the death of a person, because of terror or any other reason related to the crime.