As an exception to article 145-1 of this Code, the duration of pre-trial detention may not exceed six months for the investigation of the offences provided for in articles 421-1 to 421-6 of the Penal Code.
In exceptional circumstances, the liberty and custody judge may decide to extend pre-trial detention, for a period that may not exceed six months, by a reasoned order in accordance with article 137-3 of this Code and made after an adversarial hearing organised in accordance with the sixth paragraph of Article 145, the lawyer having been summoned in accordance with the procedures set out in the second paragraph of Article 114. This decision may be renewed under the same procedure, subject to article 145-3, the total period of detention not exceeding two years. This period is increased to three years for the investigation of the offence referred to in Article 421-2-1 of the Criminal Code.
The last paragraph of article 145-1 of the present code is applicable.
For the application of this article, the eight-month period provided for in the first paragraph of article 145-3 is extended to one year.