WHO NEEDS A CPN:   If you start a new business, hired (or will hire) employees, including household employees, opened a bank account, changed type of organization, purchased a going business, created a trust, created a pension plan as a plan administrator, i s a foreign person needing to comply with IRS withholding or TAX Regulations, Is administering an estate, is a withholding agent for taxes on non-wage income paid to an alien (i.e., individual, corporation, or partnership, etc.) is a state or local agency, is a single member LLC , is an S corporation or  for any tax-related purpose even if the entity does not have employees.  You either NEED or can benefit from a professionally established validated CPN number.   OPENING A BANK ACCOUNT IS RECOMMENDED Contact the bank, or banks, that you would consider opening an account with, and ask them what type of information they will require. Many of them request documents which show that the company exists, such as a certified copy of the certificate of formation or a certificate of good standing (Information we provide at the point we deliver your CPN.)  The bank will also need the number.  We offer with each   CPN free Safe Scan, Choice Point and Lexis Nexus Search prior to issuing a CPN Number .