A displaced person who conducts a business and elects to receive a fixed allowance in lieu of actual moving and related expenses is entitled to a fixed amount equal to the average annual net income of the business, computed in accordance with 8-273-20, but not less than $2,500 or more than $10,000, if that business -
(1) Substantially contributes to the income of the displaced person;
Cannot, in the opinion of the agency concerned, be relocated without substantial loss of existing patronage taking into consideration -
(i) The type of business;
(ii) The nature of its clientele; and
(iii) The relative importance of the displacement and proposed relocation sites to the business, and
(3) Is not part of a commercial enterprise having at least one other establishment engaged in the same or similar business which is not being acquired by a State agency or the United States.