Article 48
1. All language communities have the right to use their language with full legal validity in economic transactions of all types, such as the sale and purchase of goods and services, banking, insurance, job contracts and others.

2. No clause in such private acts can exclude or restrict the use of a language in the territory to which it is specific.

3. All language communities are entitled to have the documents required for the performance of the above-mentioned operations at their disposal in their own language. Such documents include forms, cheques, contracts, invoices, receipts, delivery notes, order forms, and others.