The City shall annually verify that the taxes owed under this Chapter have been properly applied, exempted, collected, and remitted in accordance with this Chapter, and properly expended according to applicable municipal law. The annual verification shall be performed by a qualified independent third party and the review shall employ reasonable, cost-effective steps to assure compliance, including the use of sampling audits. The verification shall not be required of tax remitters where the cost of the verification may exceed the tax revenues to be reviewed.