The work "Tax Law at the Interface of Science and Practice" is a festschrift dedicated to the esteemed presiding judge at the Federal Fiscal Court, Peter Brandis. On the occasion of his retirement from the judiciary, his extensive contributions are honored. The festschrift brings together a multitude of contributions that address various aspects of tax law, including the Tax Code, administrative procedures, the Financial Court Procedure Act, as well as income tax and value-added tax law. The carefully crafted essays provide both practical and academic perspectives and reflect the relevance of the topics in the current legal landscape. This book is a valuable reference work for anyone looking to engage with the complex interrelationships between theory and practice in tax law.