Implantación nuevo sistema tributario (fase 2), mantenimiento de la fase 1, y evolutivos de la fase 1

The contract has a total duration of 5 years. For Lot 2, the duration is 3 years.

Key milestones include:

• The deadline for submitting offers or participation requests is September 15, 2026, at 10:00 AM.
• The opening of electronic envelope C is on September 15, 2026, at 10:05 AM.
• The opening of electronic envelope B is on September 22, 2026, at 10:00 AM.
• The opening of electronic envelope A is on October 9, 2026, at 10:30 AM.
• The first publication date was July 16, 2026, at 05:02 AM.
• The last publication date was August 14, 2026, at 11:00 AM.
• The guarantee deadline is March 31, 2032.

The contract start and end dates are not explicitly stated, only the overall duration.

The core scope of work for this tender involves the implementation of a new tax system, specifically phase 2 of this system. It also includes the maintenance of phase 1 and the evolutionary development of phase 1. The services are broadly categorized under IT services, encompassing consulting, software development, internet services, and support. Additionally, the tender involves the development of transaction processing software and customized software.