Illegal
You cannot handle taxes by running errands. Because you need to scan your face and verify your ID card.
Taxation is the abbreviation of tax affairs work. There are broad and narrow senses.
Broadly defined taxation generally refers to taxation based on national political power and participates in various tasks in the entire process of national income distribution, including the research, formulation, publicity, implementation and execution of taxation policies; taxation Establishment, adjustment, revision, reform, improvement, publicity, interpretation, consultation and implementation of legal systems.