1. No person shall practice architecture in Missouri as defined in section 327.091 unless and until there is issued to the person a license or a certificate of authority certifying that the person has been duly licensed as an architect or authorized to practice architecture, in Missouri, and unless such license has been renewed as hereinafter specified.

2. Notwithstanding the provisions of subsection 1 of this section, the following persons may engage in actions defined as the practice of architecture in section 327.091, provided that such persons shall not use the title “architect” or the terms “architect” or “architecture” or “architectural” alone or together with any words other than “landscape” that indicate or imply that such person is or holds himself or herself out to be an architect:

(1) Any person who is an employee of a person holding a currently valid license as an architect or who is an employee of any person holding a currently valid certificate of authority pursuant to this chapter, and who performs architectural work under the direction and continuing supervision of and is checked by one holding a currently valid license as an architect pursuant to this chapter;

(2) Any person who is a regular full-time employee who performs architectural work for the person’s employer if and only if all such work and service so performed is in connection with a facility owned or wholly operated by the employer and which is occupied by the employer of the employee performing such work or service, and if and only if such work and service so performed do not endanger the public health or safety;

(3) Any holder of a currently valid license or certificate of authority as a professional engineer who performs only such architecture as incidental practice and necessary to the completion of professional services lawfully being performed by such licensed professional engineer;

(4) Any person who is a professional landscape architect, city planner or regional planner who performs work consisting only of consultations concerning and preparation of master plans for parks, land areas or communities, or the preparation of plans for and the supervision of the planting and grading or the construction of walks and paving for parks or land areas and such other minor structural features as fences, steps, walls, small decorative pools and other construction not involving structural design or stability and which is usually and customarily included within the area of work of a professional landscape architect or planner;

(5) Any person who renders architectural services in connection with the construction, remodeling or repairing of any privately owned building described in paragraph^* (a), (b), or (c) which follow, and who indicates on any drawings, specifications, estimates, reports or other documents furnished in connection with such services that the person is not a licensed architect:

(a) A dwelling house; or

(b) A multiple family dwelling house, flat or apartment containing not more than two families; or

(c) Any one building or structure, except for those buildings or structures referenced in subdivision (8) of this subsection, which provides for the employment, assembly, housing, sleeping, or eating of not more than nine persons, contains less than two thousand square feet, and is not part of another building or structure;

(6) Any person who renders architectural services in connection with the remodeling or repairing of any privately owned multiple family dwelling house, flat or apartment containing three or four families, provided that the alteration, renovation, or remodeling does not affect architectural or engineering safety features of the building and who indicates on any drawings, specifications, estimates, reports or other documents furnished in connection with such services that the person is not a licensed architect;

(7) Any person or corporation who is offering, but not performing or rendering, architectural services if the person or corporation is licensed to practice architecture in the state or country of residence or principal place of business; or

(8) Any person who renders architectural services in connection with the construction, remodeling, or repairing of any building or structure used exclusively for agriculture purposes.