Article 1 

The provisions of this law shall apply to traders, and to all business conducted by any person, even if this person is not a trader.

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Article 2 

The provisions included in this law or in other laws relating to commercial matters shall apply to commercial matters. Where there is no provision, the trade custom shall apply. The special or local trade custom shall be given priority over public custom. Where there is no trade custom, the provisions of the Civil Law shall apply.