Sec. 15. A certificate of need that is approved under this chapter is valid for eighteen (18) months after approval is final. The certificate of need becomes void after eighteen (18) months unless:
(1) construction plans for the project are approved by the state department and the department of fire and building safety;
(2) the applicant has completed construction of the project's foundation in conformity with the approval plans and an independent:
(A) architect licensed under IC 25-4; or
(B) professional engineer licensed under IC 25-31;
has certified the completion; and
(3) construction work on the project is continuous and conforms with the approved plans.
However, modification of the approved plans to make technical changes, correct errors or omissions, or comply with zoning or other requirements of a governmental entity are allowable.