On 29 December 2021, Greece submitted to the Commission a payment request based on the achievement of the 15 milestones selected in the Council Implementing Decision for the first instalment. They cover reforms and investments in the areas of energy efficiency, electric mobility, waste management, labour market, taxation, business environment, healthcare, public transport, as well as Greece's audit and control system for the implementation of the RRF. With their request, the Greek authorities provided detailed and comprehensive evidence demonstrating the fulfilment of the 15 milestones. The Commission thoroughly assessed this information before presenting its positive preliminary assessment of the payment request.