N.D. Admin. Code § 45-06-15-12
45-06-15-12. Prohibition against preexisting conditions and probationary periods in replacement policies or certificates.
If a short-term care insurance policy or certificate replaces another short-term care or long-term care policy or certificate, the replacing insurer shall waive any time periods applicable to preexisting conditions and probationary periods in the new short-term care policy for similar benefits to the extent that similar exclusions have been satisfied under the original policy.