Senate committee substitute, reported in on 6/9/11, makes the following changes to 2nd edition. Enacts new subsection (d) to GS 153A-364, authorizing a county to levy a fee for residential rental property registration under proposed GS 153A-364(c) for properties with more than two verified violations of local ordinances within the previous 12 months. Sets out the fee amounts, based on the number of residential rental units, and specifies that the fee covers the residential registration program and must not be used to supplant other revenue. Makes a similar addition to GS 160A-424. Enacts new subsection (b) to GS 153A-360, stating that, except under specified circumstances, a county may not require inspections of residential buildings or structures in addition to those required by the NC Building Code Council without prior approval from the Council. Makes a similar change to GS 160A-420. Makes other clarifying changes.