Every Form 1099 includes the payer's employer identification number and the payee's Social Security number. The IRS matches Forms 1099 with the payee's tax return.

Form 1099-R is an IRS tax form used to ... As with other IRS forms, the 1099-R form should also include the payer's name, address, telephone number, ... and taxpayer identification number, ...

Every Form 1099 includes the payer's employer identification number and the payee's Social Security number. The IRS matches Forms 1099 with the payee's tax return.

The payer must file the form with the IRS by February 28 ... and tax identification number, as well as the recipient’s name, ... 1099-R: Distributions From Pensions, ...