Implementation of a new tax system (Phase 2), maintenance of Phase 1 and Phase 1 enhancements

Summary

The tender covers four lots: implementation of the tax system in SAP in Phase 2, maintenance of the Phase 1 tax solution, Phase 1 enhancements, and an integrated solution combining those services. The work includes the progressive implementation of tax procedures, SAP infrastructure and integration development, user support, incident and legislative-change handling, software enhancements, testing, documentation and knowledge transfer. The taxes include, among others, gaming and vending-machine taxes, VAT, inheritance and gift tax, wealth tax, alcohol and tobacco taxes and other listed taxes; one new tax per year must also be implemented during the contract. Critical milestones are the pilot before month 12, VAT implementation between months 13 and 36, and inheritance and gift tax and wealth tax implementation from month 37 until the end of the project. The total estimated value including VAT is EUR 11,975,000, of which EUR 9,896,694.21 is excluding VAT. The tender must include, among other items, a transformation plan, methodology, team description, risk-mitigation plan and contractual milestone calendar. The work must comply with SAP, data-protection and information-security requirements and support Basque and Spanish. Lot 1 is planned to run from 1 February 2027 or contract signature until 31 October 2031, Lot 2 until 31 December 2029 and Lot 3 until 31 December 2027.