N.C. Gen. Stat. § 58-36-120
Whenever the North Carolina Rate Bureau files for an increase in insurance rates for residential property insurance, the Bureau shall give public notice in at least two newspapers with statewide distribution and in the North Carolina Register, within 10 business days after the filing, which notice shall state that the Commissioner may or may not schedule and conduct a hearing with respect to the filing. The same information shall be posted on the Web site for the North Carolina Rate Bureau and the North Carolina Department of Insurance Web site within three days after the filing. The requirements of this section shall not apply to filings proposing changes as to forms, relativities, and classifications that are filed at no increase in the overall rate level.
N.C. Gen. Stat. § 58-36-120