Artikel 33

1. In member States where the provisions of paragraphs 1, 2, 3, 4 and 5 of Article 2, paragraphs 4, 6 and 7 of Article 7 and paragraphs 1, 2, 3 and 4 of Article 10 of Part II of this Charter are matters normally left to agreements between employers or employers' organisations and workers' organisations, or are normally carried out otherwise than by law, the undertakings of those paragraphs may be given and compliance with them shall be treated as effective if their provisions are applied through such agreements or other means to the great majority of the workers concerned.
2. In member States where these provisions are normally the subject of legislation, the undertakings concerned may likewise be given and compliance with them shall be regarded as effective if the provisions are applied by law to the great majority of the workers concerned.