Question

This is a real question. Do you know how you say, ma'am and sir? what do you call non-binary people when you're used to saying, ma'am or sir?

Answer 1

either ask them if they have a a preference for either, you could also say in letters, "for whom it may concern" or just ask them if they want to be called by name

Step-by-step explanation:

Answer 2

usually you can ask for there pronouns but probably call them by they/them