House committee substitute makes the following changes to 1st edition. Deletes all provisions of the previous edition and replaces them with AN ACT TO ALLOW A SELLER TO APPLY OVERCOLLECTED SALES TAX TO OFFSET A USE TAX LIABILITY ON A RELATED TRANSACTION. Rewrites GS 105-164.11(a) to provide that when tax is collected for any period on any taxable sale in excess of the total amount that should have been collected or is collected on an exempt or nontaxable sale, the total amount collected must be remitted to the Secretary of Revenue (Secretary). Provides and details options for the Secretary to take if he or she determines that the seller overcollected the sales tax on a transaction. Makes conforming changes. Effective July 1, 2011, and applies to tax liabilities that accrue on or after that date.