Why am I being charged a tax during registration? CrossFit August 28, 2019 16:10 Updated Follow Certain US states apply sales taxes to sporting events. Since the Open is considered a sporting event we will need to apply taxes during registration. Related articles Payment Issues Do you accept PayPal, Apple Pay or other forms of payment for Open registration? How do I submit my video score submission? How do I register for the Open? Score Submission and Validation Pathways Comments 0 comments Article is closed for comments.