Project (Client) ID Formats
When you enter a client or project ID, it must conform to the displayed format where:
Key any of the following special characters exactly as displayed:
The identifier you enter must match the displayed format character-for-character. For example, if the displayed format were XXXBNN-NN, you would have to enter a 9-character identifier consisting of 3 alphanumeric characters, followed by a blank, 2 numeric characters, a hyphen, and 2 more numeric characters.
Any positions remaining after the displayed format are for your optional use.