You can send Form 9465 with the e-return, but the IRS must still approve the installment agreement form.
WHY THE IRS REJECTS INSTALLMENT AGREEMENT REQUESTS. The IRS typically rejects an installment agreement request for one of three reasons. If the IRS determines that your living expenses do not fall under the category of “necessary,” your agreement will more than likely be rejected.
▶ Go to .irs/Form9465 for instructions and the latest information. ▶ If you are filing this form with your tax return, attach it to the front of the return.
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.
You can send Form 9465 with the e-return, but the IRS must still approve the installment agreement form.