North Dakota Century Code Title 15.1. Elementary and Secondary Education § 15.1-09-34. Contracts by school boards--Bids--Penalty

a. The personal services of district employees.

b. Textbooks and reference books.

c. Articles not sold on the open market.

d. Patented, copyrighted, or exclusively sold devices or features required to match articles already in use.

e. Patented, copyrighted, or exclusively sold articles so distinctive that only one brand can be purchased.

f. Building construction projects under chapter 48-01.2.

g. School transportation services purchased under section 15.1-30-11.

h. Vehicle fuel purchased under section 15.1-09-34.1.

i. Heating fuel purchased under section 15.1-09-34.1.

j. The purchase of a used motor vehicle, including a schoolbus, motorbus, or van, intended primarily for the transportation of students.

k. Cooperative purchases with the office of management and budget under chapter 54-44.4.

l. The purchase of products from prison industries under chapter 12-48.

m. The purchase of products from work activity centers under chapter 25-16.2.

n. Cooperative purchases made pursuant to a joint-powers agreement under chapter 54-40.3.

o. Building materials required for district students enrolled in a course to create home construction projects sold on the open market, the revenue of which is used to cover the cost of the building materials for use in the course.