In compliance with Article 9 of Order HAP/2427/2015 of 13 November, which approves the bases and the first call for the selection of Integrated Sustainable Urban Development Strategies to be co-financed through the 2014-2020 ERDF Operational Programme for sustainable growth, the expenses of the proposed operations must meet the following requirements to be considered eligible:

1. Comply with applicable local, regional, national, and community regulations, specifically Order HFP/1979/2016 of 29 December, which approves the rules on eligible expenses of the European Regional Development Fund operational programmes for the 2014-2020 period.
2. Be real and paid from the co-financed operation.
3. Be carried out for the development of the approved operations within the lines of action for which the aid has been granted.
4. Be appropriate to the objectives and priorities defined in this call.
5. Have documentary evidence of their execution through an invoice or equivalent probative accounting document, so they can be verified.
6. Be undoubtedly related to the activity to be developed and necessary for the development of the selected operations.
7. Be carried out during the execution period of the operation, which in no case can have started before 1 January 2014.
8. The corresponding payments must have been made effective from 1 January 2014 to 31 December 2022. However, operations must not have been completed before the date of the aid grant resolution.

In any case, the operations must not have been completed before the date of the beneficiary's application submission.