n. encouragement for the establishment and development of trans European  networks;
o. a contribution to the attainment of a high level of health protection;
p. a contribution to education and training of quality and to the flowering of the  cultures of the Member States;
q. a policy in the sphere of development cooperation;
r. the association of the overseas countries and territories in order to increase  trade and promote jointly economic and social development;
s. a contribution to the strengthening of consumer protection;  
t. measures in the spheres of energy, civil protection and tourism.

Article 3a ( * )

( * ) As inserted by Article G( 4 ) TEU.

1. For the purposes set out in Article 2, the activities of the Member States and the  Community shall include, as provided in this Treaty and in accordance with the  timetable set out therein, the adoption of an economic policy which is based on the  close coordination of Member States' economic policies, on the internal market and  on the definition of common objectives, and conducted in accordance with the  principle of an open market economy with free competition.

2. Concurrently with the foregoing, and as provided in this Treaty and in accordance  with the timetable and the procedures set out therein, these activities shall include  the irrevocable fixing of exchange rates leading to the introduction of a single  currency, the ECU, and the definition and conduct of a single monetary policy and  exchange rate policy the primary objective of both of which shall be to maintain  price stability and, without prejudice to this objective, to support the general  economic policies in the Community, in accordance with the principle of an open  market economy with free competition.

3. These activities of the Member States and the Community shall entail compliance  with the following guiding principles: stable prices, sound public finances and  monetary conditions and a sustainable balance of payments.

Article 3b ( * )

( * ) As inserted by Article G( 5 ) TEU.

The Community shall act within the limits of the powers conferred upon it by this  Treaty and of the objectives assigned to it therein.

In areas which do not fall within its exclusive competence, the Community shall take  action, in accordance with the principle of subsidiarity, only if and in so far as the  objectives of the proposed action cannot be sufficiently achieved by the Member  States and can therefore, by reason of the scale or effects of the proposed action, be  better achieved by the Community.

Any action by the Community shall not go beyond what is necessary to achieve the  objectives of this Treaty.

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