who sent QQH to me without nam

name.

You can file 1040 as MFJ. You had better got a ITIN for your wife and kids.For applying ITIN, at least, you need to file your tax return (only paper return) with your wife and kids information, and plus W-7.

You cannot claim the earned income credit using an ITIN.

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ITIN

An ITIN, or Individual Taxpayer Identification Number, is a tax processing number only available for certain nonresident and resident aliens, their spouses, and dependents who cannot get a Social Security Number (SSN). It is a 9-digit number, beginning with the number "9", formatted like an SSN (NNN-NN-NNNN).

Form W-7, IRS Application for Individual Taxpayer Identification Number (PDF) is used to apply for an ITIN.

To obtain an ITIN, you must complete IRS Form W-7, Application for IRS Individual Taxpayer Identification Number. The Form W-7 requires documentation substantiating foreign/alien status and true identity for each individual. You may either mail the documentation, along with the Form W-7, to the Philadelphia Service Center, present it at IRS walk-in offices, or process your application through an Acceptance Agent authorized by the IRS.

Acceptance Agents are entities (colleges, financial institutions, accounting firms, etc.) who are authorized by the IRS to assist applicants in obtaining ITINs. They review the applicant's documentation and forward the completed Form W-7 to IRS for processing.

For more information on ITIN's, see Publication 1915, Understanding Your Individual Taxpayer Identification Number (PDF).

NOTE: You cannot claim the earned income credit using an ITIN.