The legal non-conforming status of a sign may be deemed terminated upon the occurrence of one or more of the following conditions:

1. (a) Increase in sign size.
2. (b) Change in sign location.
3. (c) Addition or modification of lighting.
4. (d) Failure of an owner to adequately maintain a sign or effect repairs on a damaged sign for a period in excess of one year.

Upon a determination that the legal non-conforming status of a sign has ceased, the sign shall be subject to removal by the secretary of transportation without compensation.

(Authorized by K.S.A. 1977 Supp. 68-402, 68-404, 68-2231 <em>et seq.</em>; modified, L. 1978, ch. 472, May 1, 1978.)