You appear to fulfil the requirements to fit the later in my phrase and in both of yours admirably.
When you find yourself in a hole it is usually better to stop digging.
If you wrote on a bill that you had fixed an ID1OT error I think you would quickly lose customers, whereas if you wrote that it was an IDtenT error then they would be no wiser than you appear to be so would come back again if they had any future problems.
There are more than one way to use that term, with or without spaces, hyphens or numerals, so if you prefer to use yours please carry on, in the meantime I will use the term I prefer, as this person and many more have done:
ID ten T error!! in The AnswerBank: Computers
I am sorry if janobi has messed up your rather more serious thread with his or her juvenile and immature silliness chookey and I too feel sorry for your friend.