The User ID is a unique identification name that you create.

The User ID you create must begin with a letter or number, and must be from 6 to 20 characters in length.

The following characters are not allowed: [ ] : ; | = . + ? < > * " / \ , @ ( )" or a blank space.

Your User ID cannot contain more than 6 numbers in a row and should not contain any portion of a social security number.