14.12.2001 Official Journal of the European Communities L 329/73 ADMINISTRATIVE COMMISSION OF THE EUROPEAN COMMUNITIES ON SOCIAL SECURITY FOR MIGRANT WORKERS DECISION No 181 of 13 December 2000 concerning the interpretation of Articles 14(1), 14a(1) and 14b(1) and (2) of Council Regulation (EEC) No 1408/71 on the legislation applicable to posted workers and self-employed workers temporarily working outside the competent State (Text with EEA relevance) (2001/891/EC) THE ADMINISTRATIVE COMMISSION OF THE EUROPEAN COMMUNITIES ON SOCIAL SECURITY FOR MIGRANT WORKERS, Having regard to Article 81(a) of Council Regulation (EEC) No 1408/71 of 14 June 1971 on the application of social security schemes to employed persons, to self-employed persons and to the members of their families moving within the Community, under which it is made responsible for dealing with all adminis- trative questions or questions of interpretation arising from the provisions of Regulation (EEC) No 1408/71 and subsequent Regulations, Whereas: (1)  Decision No 162 of 31 May 1996 should be brought up to date. (2)  The provisions of Articles 14(1), 14a(1) and 14b(1) and (2) of Regulation (EEC) No 1408/71, which provide for an exception to the general rule laid down in Article 13(2)(a), (b) or (c) of the said Regulation, aim in particular to facilitate the freedom to provide services for the benefit of undertakings which post workers to Member States other than that in which they are established, as well as the freedom of workers to move to other Member States. These provisions also aim at overcoming the obstacles likely to impede freedom of movement of workers and at encouraging economic interpenetration whilst avoiding administrative complications, especially for workers and undertakings. (3)  The purpose of these provisions is thus to avoid, for workers, employers and social security institutions, the administrative complications which would result from the application of the general rule laid down in Article 13(2)(a), (b) or (c) of the said Regulation where the period of employment is of short duration in a Member State or on a vessel flying the flag of a Member State other than the State in which the undertaking has its registered office or a place of business or the State in which the self-employed person normally pursues his activity. (4)  The scope of Article 14a(1)(a) should be clarified, taking account of the case-law of the Court of Justice. (5)  The provisions of Articles 14(1), 14a(1) and 14b(1) and (2) of Regulation (EEC) No 1408/71 provide for an exception to the general rule laid down in Article 13(2)(a), (b) and (c) of the said Regulation.