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Unified register of entry and exit settlements

Integration of AOC service settlements in the general register of your entity

Gain comfort

You will control all the documentation and information that your organization receives and sends on paper and electronically

Cost € 0

It will not cost you a euro and eliminates fixed costs related to technology thanks to the use of our solution as a service

Improve efficiency

You will be able to scan the documents presented in the register and generate authentic electronic copies, thus facilitating electronic processing


they use it for us


settlements made


Unified register

The entries of entry or exit settlements generated by the AOC services will be made directly in the general register of your entity


To use this service you need to integrate via web services and the general registration of yours is required to be accessible and available via the Internet 24 × 7

Download of documents

You will be able to download the documents associated with the settlements and incorporate them into your registration solution

Easy to use

The architecture of the MUX is highly modular and allows easy integration of new records


You can define different rules that will allow you to make entries in different registers as needed, depending on the request parameters you set.


It provides a uniform and standardized integration interface with the records of the Catalan administrations

We accompany you in this digital leap

Digital transformation is inevitable, but we know that it is not at all easy to throw yourself into a vacuum. That is why, from the AOC, we will be by your side at all times to make the most of this jump and enjoy it together


Courses, tutorials and seminars that will help you to start the service

Method and best practices

Do not force the citizen to travel to the Post Office because the postman has not found it at home

Support center

Continuous support from the AOC in order to make the leap together. If you need it, we will be there to help you

Inseparable companions of the MUX

You will get more out of the MUX if you complement it with the following services

Check in
and exit

With ERES and MUX you can unilaterally manage the entry and exit of documents of your entity, both face-to-face and electronic

Ready to make the jump?

Transforming the Administration needs brave people to take a step forward. Cheer up and throw yourself, we guarantee you a 100% safe landing.

* See the Conditions of provision of this service