The First Amendment of the U.S. Constitution and Article I Section 8 of the New York State Constitution protects freedom of speech, assembly, and petition. While not an exhaustive list, here are a few rules New York protestors must follow, according to the NYCLU:

Millions of people across the country are expected to join in protest this weekend against Donald Trump’s administration, a movement intended to coincide with the president’s planned military parade in Washington.