Usluga nadogradnje OOTS platforme (Once-Only Technical System) u svrhu izdavanja PuB-EAA potvrda atributa

This tender seeks a contractor to upgrade the Once-Only Technical System (OOTS) platform for issuing PuB-EAA attribute certificates in Croatia. The project includes analysis, design, implementation, integration, testing, and deployment of upgrades, as well as connecting national registries and e-services to the OOTS platform. The estimated value is €500,000 EUR, with a 12-month contract. The award criteria are 40% price and 60% quality. The tender is open to all interested parties, with submission via the EOJN platform in Croatian. No procurement documents were analyzed beyond the TED XML notice, so detailed eligibility and scope details are missing.