20. The Inter-American Commission indicated that the expert opinion of Mrs. Rosalina Tuyuc Velásquez could be rendered at the public hearing, while the expert opinions of Mr. Fredy Armando Peccerelli Monterroso and Mr. Juan Mendez could be rendered through affidavits. To this end, the State indicated that the statement of Mr. Manuel Geovanni Vásquez Vicente, only testimony offered by the State, could be rendered through affidavit. Finally, the representatives requested the Tribunal that the eight statements offered by it be rendered at the public hearing. However, in case this is not possible, they indicated an order of priority for the testimonial as well as the expert evidence to be taken into consideration by the Court when determining which of said statements should be rendered at the public hearing and which of them should be rendered through affidavit. 21. It is necessary to ensure the most complete presentation of the facts and arguments of the parties in order to appropriately solve the issues at dispute, guaranteeing the parties the right to defend their own positions as well as the possibility of adequately dealing with the cases submitted to the consideration of the Court, bearing in mind that the number of cases is considerable higher than before and it is constantly increasing. Moreover, it is necessary to guarantee a reasonable term in the length of the proceeding, as required by the right to an effective access to justice. Based on the foregoing, it is essential to receive the higher number of testimonies and expert opinions rendered through affidavits possible and at the public hearing, listen to those alleged victims, witnesses and expert witnesses whose direct statements are truly indispensable, taking into account the circumstances of the case and the object of the testimonies and expert opinions. D.1 Statements to be rendered through affidavit 22. Taking into account the terms of article 50.1 of the Rules of Procedure, what was indicated by the Inter-American Commission, the representatives and the State, the object of the statements so offered, as well as the principle of procedural economy, the President deems convenient to receive, through affidavit, the statements of Maria Eustaquia Uscap Iboy, Antonia Osoria Sánchez, Bruna Perez Osorio and Maria Osorio Chen, alleged victims proposed by the representatives and the testimony of Mr. Manuel Geovanni Vásquez Vicente, proposed by the State. Moreover, the President deems pertinent to receive, also through affidavit, the expert opinions of Mr. Juan Méndez and Fredy Armando Peccerelli Monterroso, proposed by the Inter-American Commission, and the expert opinion of Mr. Alfredo Itzep Manuel, proposed by the representatives. 23. The President emphasizes that article 50.5 of the Court’s Rules of Procedure contemplates the possibility for the alleged victims or their representatives and the respondent State of formulating questions in writing for the declarants convened to render their statement through affidavits. Pursuant to the terms of the regulatory provision so mentioned, the President proceeds to give the State and the representatives an opportunity to present, if they wish so, the questions they deem pertinent for the declarants of the opposing party and of the Inter-American Commission referred to in the above paragraph. Upon rendering their statements through affidavits, the alleged victims, the witness and the expert witnesses must respond to such questions, unless the President decides otherwise. The corresponding time limits shall be stipulated in operative paragraph two of this Order. The statements before mentioned shall be transmitted to the Inter-American Commission, the State and the representatives. In turn, the State and the representatives may present the 7