(1) All business correspondence of the partnership which is addressed to a specific recipient must, irrespective of its form, indicate the legal form and the seat of the partnership, the court of registration and the number under which the partnership is registered in the Commercial Register. If none of the partners of the partnership is a natural person, the business correspondence of the partnership must also indicate the business names of the partners as well as the particulars concerning the partners which are required on business correspondence pursuant to section 35a of the Limited Liability Companies Act or section 80 of the Stock Corporation Act. The particulars pursuant to sentence 2 will not be required if one of the partners of the partnership is a general partnership or partly limited partnership in which a general partner is a natural person.
(2) Section 37a (2) and (3) apply accordingly to pre-printed forms and order forms, and section 37a (4) applies accordingly to coercive fines against the partners authorised to represent the partnership, or their organ representatives and the liquidators.