This is a textbook from a customs specialist preparatory school. It's a textbook used alongside the classes, but it can also be used independently. See the third product photo for the contents! Recommended for those who want to tackle practical problems and thoroughly master declaration forms and customs duty calculations! This is the 2022 edition of the Customs Practice Lecture Summary, covering problem-solving techniques and declaration form problems. - Title: Customs Practice Lecture Summary - Year: 2022 - Publisher: TAC - Table of Contents: Problem-Solving Techniques, Declaration Form Problems, Calculation Problems, Cargo Classification, Knowledge of Customs Law, etc. Thank you for looking.