8. Tenders by invitation: In order to conclude a building lease contract, an applicant may issue an invitation to tender in the following cases:(1) where the lease is for an area of less than 300 m2;
(2) where the lease is for housing intended for occupation by a group home;
(3) where the lease is for space for a work practices learning service not exceeding 1,000 m2.
In such cases, the use of the documents covered by section 11 is optional.