1. This Regulation lays down rules for money market funds (MMFs) established, managed or marketed in the Union, concerning the financial instruments eligible for investment by a MMF, the portfolio of an MMF, the valuation of the assets of an MMF, and the reporting requirements in relation to an MMF. This Regulation applies to collective investment undertakings that:
require authorisation as UCITS or are authorised as UCITS under Directive 2009/65/EC or are AIFs under Directive 2011/61/EU;
invest in short-term assets; and
have distinct or cumulative objectives offering returns in line with money market rates or preserving the value of the investment.
2. Member States shall not add any additional requirements in the field covered by this Regulation.