The following are exempt from business property tax:
1° Workers who do contract work for private individuals, or on their behalf and with materials belonging to them, whether or not they have a sign or a shop, when they only use the assistance of one or more apprentices who are no more than twenty years old at the start of the apprenticeship and have an apprenticeship contract drawn up under the conditions provided for by the articles L. 6221-1 to L. 6225-8 of the Labour Code;
2° A widow who continues, with the help of a single worker and one or more apprentices meeting the same conditions as in 1°, the profession previously exercised by her husband.
The persons mentioned in 1° and 2° may, without losing the benefit of the exemption provided for in this article, be assisted by their spouse, the partner to whom they are linked by a civil solidarity pact and their children.
These provisions are applicable, under the same conditions, to companies taxed under the conditions provided for in 4° of Article 8.
For the assessment of the number of employees, the reference period to be used is the year mentioned in Article 1467 A.