ARTICULO 40.-La solicitud de extradición y, en su caso, de arresto provisorio, podrá extenderse al secuestro de objetos o documento que estén en poder de la persona requerida sean:
a) Elementos probatorios del delito;
b) Instrumentos del delito o efectos provenientes de él.
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(j) The protection of victims and witnesses and the preservation of evidence;