each question, choose the letter representing your answer (A, B, C, D, or E) and completely darken the corresponding space on your answer sheet. There is no penalty for guessing; therefore, you should attempt to answer every question. Each question is designed to have a single best answer. You are responsible for having the following references: Harmonized Tariff Schedule of the United States (Either the 2013 or 2014 HTSUS may be used for this examination. All classification, free trade agreement, and other questions will be consistent across both tariff schedules.) Title 19, Code of Federal Regulations (Either the 2013 or 2014 CFR may be used for this examination, Parts 0 to End.) Customs and Trade Automated Interface Requirements (CATAIR) Appendix B - Valid Codes Appendix D - Metric Conversion Appendix E - Valid Entry Numbers Appendix G - Common Errors Glossary of Terms Instructions for Preparation of CBP Form 7501 (July 24, 2012) Right to Make Entry Directive 3530-002A