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The Auditing and Compliance Commission guarantees the confidentiality of anybody using the ethical communications channel. The OHLA guarantees an adequate management of all complaints received, which will be treated on a totally confidential basis in accordance with the internal procedure of the complaints channel, monitored by OHLA’s Auditing and Compliance Commission.

All complaints received will be duly analyzed, in an unbiased and confidential manner, through a platform directed and supervised by the Auditing and Compliance Commission. This platform may only be accessed by the Head of Compliance, who will in no event disclose a bona fide complainant’s identity, unless his/her express consent is provided or this is required by the competent authorities, in which case the complainant will be previously informed.

The Group undertakes to carry out any disciplinary, sanctioning and judicial processes applicable, until their completion.

At any time, the complainant may abandon or withdraw his/her complaint, through this same channel, providing the reference number assigned.

OHLA allows for anonymous reporting of unethical behavior. In order to process incoming complaints, we require sufficient material as proof for the reported breach. Please fill out all possible fields to allow for a faster and more diligent follow-up with your observation.

User data:

The fields marked with an asterisk are compulsory

Name Lastnames *E-mail Phone *Relation with the Group *Tipology *Geographical area *Division *Content of the complaint
Location where the incident occurred Company/affiliatte/subisidiary/delegation Project Address *Postal Code *City *Departments,units, people involved
Evidences,proofs: Once the complaint has been created and activated, the system will allow you to upload any file that you want Comments/Remarks I consent to the personal data provided for the presentation of the complaint be processed by the company in compliance with the personal data processing clause
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By facilitating your personal data for the presentation of a complaint, you expressly consent to its processing by Obrascon Huarte Lain, S.A. (responsible for the processing), located at Paseo de la Castellana 259D, Torre Espacio, Madrid. This data will be processed on the basis and with the purpose of (i) processing the complaint, (ii) decide on the legitimacy of initiating an investigation and (iii) performing the investigation derived of the same. Access to your personal data is limited to those who carry out functions associated to the aforementioned purposes and in accordance with the regulation of the Ethics Communication Channel of the Group.

The necessary measures to guarantee the confidentiality of the personal data will be adopted. Your data will be preserved in the complaint system only during the essential time period and in any case, for a maximum of three months from the date of presentation of the same, after which your data will be eliminated.

To provide an adequate response to your requests, we also advise that the responses and communications of any type in relation with the complaint will be carried out through the platform to which you will have access to follow the status of your complaint while it is in force.

You may exercise your rights of access, rectification, cancelation, opposition and portability by way of a written document addressed to the person responsible for the processing at the above indicated address, attaching a copy of the document that accredits your identity or by sending an e-mail with the same documentation attached to In addition, please also be advised of your right to contact the Spanish Agency for Data Protection in relation to any inquiry regarding the processing of your personal data.

The complaint will be saved now.

The complaint will be saved now. And it will sent to the Ethic Channel Manager