The Tennessee Bill of Costs (AO 133 Form) is a legal document used by a court clerk in Tennessee to keep track of costs associated with a particular court case. It is used to calculate the fees charged to the parties involved in the case and to make sure the fees are properly paid. There are two types of Tennessee Bill of Costs (AO 133 Form): the Simplified Bill of Costs and the Standard Bill of Costs. The Simplified Bill of Costs is used for cases with minimal costs and does not require court approval. The Standard Bill of Costs is used for more complex cases and must be approved by the court before it can be used. The Tennessee Bill of Costs (AO 133 Form) is an important document for ensuring that the costs associated with a court case are properly documented and paid.