I was using pie register something in following manner :
I was using shortcodes for sign in , forgot password.
So UI is : There is sign in text in the header and when user click on it overlay pop up will open with login box(through short code) and below that login box there is two link -> Forget Password and Registration.
When user click on Forgot Password Login box will replace with Forgot Password and same for registration.
But due to some change in requirement, We had to provide page link of the registration.We just put HTML comment without removing the code :