The Internal Revenue Service reminds taxpayers to avoid ghost tax return preparers whose refusal to sign returns can cause a frightening array of problems. It is important to file a valid

The FINANCIAL - The Internal Revenue Service reminds taxpayers to avoid "ghost" tax return preparers whose refusal to sign returns can cause a frightening array of problems. It is important to file a valid, accurate tax return because the taxpayer is ultimately responsible for it IRS notes.…