(CNN) City officials in Sunland Park, New Mexico, have delivered a "cease and desist" order to the owners of land where a private border wall is being built.

The project doesn't have proper permits to proceed because an application filed was incomplete, Sunland Park spokesman Peter Ibarbo told CNN.

"The rules apply to everyone," Ibarbo said. "That's the process."

The incomplete application isn't the only issue, Sunland Park Mayor Javier Perea told reporters Tuesday

"My understanding is that city ordinance only allows a wall up to six feet tall, and this far exceeds that," he said.

Read More