You can send Form 9465 with the e-return, but the IRS must still approve the installment agreement form.
If the requested IA is rejected, the running of the collection period is suspended for 30 days. Similarly, if you default on your IA payments and the IRS proposes to terminate the IA, the running of the collection period is suspended for 30 days.
If you don't qualify for an IA through OPA, you may also request an IA by submitting Form 9465, Installment Agreement Request, with the IRS. When you request an IA using the form, generally, you'll receive a response from the IRS within 30 days notifying you of whether the IA request was approved or rejected.
Or: For individual tax returns, call 1-800-829-1040, 7 AM - 7 PM Monday through Friday local time. The wait time to speak with a representative may be long. This option works best for less complex questions.
The IRS considers extravagant expenses as those that include charitable contributions, private school funding and hefty credit card payments. In addition, if you fail to provide accurate information on Form 433-A, Collection Information Statement, you can expect your agreement to be rejected.
About Form 9465, Installment Agreement Request. Internal Revenue Service.