The Subject Of This Declaration Is To Develop An Integrated Data Collection And Management System For Family Budget Research (Eea) And Household Energy Consumption Research. In Particular, The Project Is About Developing Electronic (Web) Questionnaires Of The Family Budget Research (Esa) And Energy Research And Consumption Research The Production Of The Required Files, Indicators, Tables And Other Results To Meet National Needs And Satisfy Elstat'S Obligations In Accordance With The Eu Legislation. Bids Are Accepted And Bids Are Submitted By Candidates For The Entire Project And Always Within Its Announced Budget, Including Vat And All Legal Deductions And Taxes.