Senate committee substitute makes the following changes to the 2nd edition.

Amends GS 153A-341.1 to allow counties to adopt or enforce zoning regulations or other provisions which exclude individual manufactured homes on individual lots from any area zoned for single-family residential use in areas heavily dependent on tourism. Restricts adopting or enforcing zoning regulations that make such exclusions on more than 10 percent of the county land area. Clarifies that the reasonable appearance criteria for manufactured homes (1) is limited to the criteria as specified in this bill and (2) cannot prohibit the placement of manufactured homes on individual lots. Makes clarifying changes to the severability clause. Makes the act effective when it becomes law (was, October 1, 2013).