If you hyphenate your last name, must you always use it hyphenated?
For example, I'm self employed and currently all my contracts state that they are made with my current (maiden) last name.
However when I get married, I want to use my FH last name for my ID's, passport, personal checking account, etc. Can I use just his last name for these, or must I use my really long hyphenated name?
(I know I could "google" this, but I'm not sure what terms to use).