Foreign nationals coming directly from the territory of one of the States party to the Schengen Agreement signed on 19 June 1990 may have 1° and 2° of article L. 611-1 applied to them if they cannot prove that they entered or remained in mainland France in compliance with the stipulations of paragraphs 1 and 2 of article 19, paragraph 1 of article 20 and paragraphs 1 and 2 of article 21 of the same agreement.