Is it illegal for my TFN to have a title that doesn’t suit me? Would it be considered illegal if I humorously changed my title to Archbishop, or is that just a silly idea?

Is it illegal for my TFN to have a title that doesn’t suit me? Would it be considered illegal if I humorously changed my title to Archbishop, or is that just a silly idea?
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Changing your title to something humorous like “Archbishop” for your Tax File Number (TFN) isn’t illegal, but it might raise eyebrows among tax authorities or be viewed as unprofessional. While you have the freedom to choose how you identify in certain contexts, it’s important to ensure that any title associated with official documents is accurate and reflects your actual role or status. It’s generally best to stick with a title that appropriately represents your situation to avoid potential confusion or complications down the line. That said, it could just be seen as a quirky choice!