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Iowa Income Tax Form 2015

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2015 IA 1040 Iowa Individual Income Tax Form

For fiscal year beginning / / 2015 and ending / / .

Step 1: Fill in all spaces. You must fill in your Social Security Number (SSN).

Your last name Your first name/middle initial

Spouse’s last name Spouse’s first name/middle initial

Current mailing address (number and street, apartment, lot, or suite number) or PO Box

City, State, ZIP

Spouse SSN • • Your SSN •

Email Address:

Step 2 Filing Status: Mark one box only. Check this box if you or your spouse were 65 or older as of 12/31/15.

65 or older

1 Single: Were you claimed as a dependent on another person’s Iowa return? Yes No Residence on 12/31/15: County No. School District No.

2 Married filing a joint return. Dependent children for whom an exemption is claimed in Step 3
How many have health care coverage? How many do not have health care coverage?

3 Married filing separately on this combined return. Spouse use column B.

4 Married filing separate returns. Spouse's name: SSN: Net Income: $

5 Head of household with qualifying person. If qualifying person is not claimed as a dependent on this return, enter the person’s name and SSN below.

6 Qualifying Widow(er) with dependent child. Name: SSN:

Step 3 Exemptions

a. Personal Credit: Col. A and Col. B amounts.

b. Enter 1 for each taxpayer who is 65 or older and/or 1 for each taxpayer who is blind.

c. Dependents: Enter 1 for each dependent

d. Enter first names of dependents here

Step 4 Reportable Social Security Benefits as calculated on line 11 of Iowa social security worksheet

B. Spouse/Status 3 A. You or Joint

Step 5 Gross Income

1. Wages, salaries, tips, etc.

2. Taxable interest income. If more than $1,500, complete Sch. B.

3. Ordinary dividend income. If more than $1,500, complete Sch. B.

4. Alimony received

5. Business income/(loss) from federal Schedule C or C-EZ

6. Capital gain/(loss), federal Sch. D if required for federal purposes

7. Other gains/(losses) from federal form 4797

8. Taxable IRA distributions

9. Taxable pensions and annuities

10. Rents, royalties, partnerships, estates, etc.

11. Farm income/(loss) from federal Schedule F

12. Unemployment compensation. See instructions

13. Gambling winnings

14. Other income, bonus depreciation, and section 179 adjustment

15. Gross Income. Add lines 1-14

Step 6 Adjustments to Income

16. Payments to an IRA, Keogh, or SEP

17. Deductible part of self-employment tax

18. Health insurance deduction

19. Penalty on early withdrawal of savings

20. Alimony paid

21. Pension/retirement income exclusion

22. Moving expense deduction from federal form 3903

23. Iowa capital gain deduction; certain sales only. Include IA 100

24. Other adjustments

25. Total adjustments. Add lines 16-24

26. Net Income. Subtract line 25 from line 15

Step 7 Federal Tax Addition and Deduction

27. Federal income tax refund/overpayment received in 2015

28. Self-employment/household employment/other federal taxes

29. Addition for federal taxes. Add lines 27 and 28

30. Total. Add lines 26 and 29

31. Federal tax withheld

32. Federal estimated tax payments made in 2015

33. Additional federal tax paid in 2015 for 2014 and prior years

34. Deduction for federal taxes. Add lines 31, 32, and 33

35. Balance. Subtract line 34 from line 30. Enter here and on line 36, page 2

2015 IA 1040, page 2

Step 8 Taxable Income

36. BALANCE. From side 1, line 35

37. Deduction. Check one box Itemized (Include IA Schedule A) Standard

38. TAXABLE INCOME. SUBTRACT line 37 from line 36

Step 9 Tax, Credits, and Check-off Contributions

39. Tax from tables or alternate tax

40. Iowa lump-sum tax. 25% of federal tax from form 4972

41. Iowa alternative minimum tax. Include IA 6251

42. Total tax. ADD lines 39, 40, and 41

43. Total exemption credit amount(s) from Step 3, side 1

44. Tuition and textbook credit for dependents K-12

45. Volunteer firefighter/EMS/reserve peace officer credit

46. Total credits. ADD lines 43, 44, and 45

47. BALANCE. SUBTRACT line 46 from line 42. If less than zero, enter zero

48. Credit for nonresident or part-year resident. Include IA 126 and federal return

49. BALANCE. SUBTRACT line 48 from 47. If less than zero, enter zero

50. Out-of-state tax credit. Include IA 130

51. BALANCE. SUBTRACT line 50 from 49. If less than zero, enter zero

52. Other nonrefundable Iowa credits. Include IA 148 Tax Credits Schedule

53. BALANCE. SUBTRACT line 52 from line 51. If less than zero, enter zero

54. School district surtax or EMS surtax. Take percentage from table; multiply by line 53

55. Total state and local tax. ADD lines 53 and 54

56. TOTAL state and local tax before contributions. Combine columns A and B on line 55 and enter here

57. Contributions will reduce your refund or add to the amount you owe. Fish/Wildlife State Fair Firefighters/Veterans Child abuse Prevention

Enter contribution amount

58. TOTAL STATE AND LOCAL TAX, AND CONTRIBUTIONS. Add line 56 and line 57 and enter here

Step 10 Credits

59. Iowa Fuel tax credit. Include IA 4136

60. Check One: Child and dependent care credit OR Early childhood development credit

61. Iowa earned income tax credit

62. Other refundable credits. Include IA 148 Tax Credits Schedule

63. Total refundable Iowa credits. ADD lines 59 - 62

64. RESERVED FOR FUTURE USE

65. Taxpayers trust fund tax credit

66. Iowa income tax withheld

67. Estimated and voucher payments made for tax year 2015

68. TOTAL. ADD lines 63, 65, 66, and 67

69. TOTAL CREDITS. ADD columns A and B on line 68 and enter here

Step 11 Refund or Amount Due

70. If line 69 is more than line 58, subtract line 58 from line 69. This is the amount you overpaid

71. Amount of line 70 to be REFUNDED

72. Amount of line 70 to be applied to your 2016 estimated tax

73. If line 69 is less than line 58, subtract line 69 from line 58. This is the AMOUNT OF TAX YOU OWE

74. Penalty for underpayment of estimated tax from IA 2210, IA 2210S, or IA 2210F. Check if annualized income method is used

75. Penalty and interest Enter total

76. TOTAL AMOUNT DUE. ADD lines 73, 74, and 75. Enter here

Step 12 Political Checkoff

This checkoff does not increase the amount of tax you owe or decrease your refund.

Spouse $1.50 to Democratic Party $1.50 to Republican Party $1.50 to Campaign Fund

Yourself $1.50 to Democratic Party $1.50 to Republican Party $1.50 to Campaign Fund

Step 13 Declaration and Signature

I (We), the undersigned, declare under penalty of perjury that I (we) have examined this return, including all accompanying schedules and statements, and, to the best of my (our) knowledge and belief, it is a true, correct, and complete return.

SIGN HERE

Your Signature

Date

Check if Deceased Date of Death

Daytime Telephone Number

SIGN HERE

Spouse's Signature

Date

Check if Deceased Date of Death

Preparer's PTIN

Firm's FEIN

Daytime Telephone Number

This return is due May 2, 2016. Please sign, enclose W-2s, and verify SSNs.

You can pay online at https://tax.iowa.gov/

Make check payable to Treasurer, State of Iowa.

MAILING ADDRESS: Iowa Income Tax Document Processing, PO BOX 9187, Des Moines IA 50306-9187.

Enter text✕

What the Iowa Income Tax Form 2015 Is and when it applies

The Iowa Income Tax Form 2015 is the state tax return or related state filing used to report income and compute Iowa tax liabilities for the 2015 tax year. It includes lines for federal adjusted gross income, Iowa adjustments, tax credits, withholding, and estimated payments. Taxpayers, preparers, and employers use the form to reconcile state tax due or refund amounts for 2015. Filing may require attachments such as W-2s, schedules, and supporting statements; submission method can be paper or approved electronic filing channels.

Why accurate completion of the Iowa Income Tax Form 2015 matters

Correctly completed forms reduce audit risk, avoid state penalties, and ensure timely refunds or payment processing. Accurate returns preserve eligibility for credits and prevent backup withholding or additional assessments from the Iowa Department of Revenue.

Why accurate completion of the Iowa Income Tax Form 2015 matters

Who commonly completes the Iowa Income Tax Form 2015

Each user should confirm filing method, supporting documents, and signature authority before submitting the Iowa Income Tax Form 2015.

  • Individual filers: taxpayers filing a personal return for tax year 2015, including those claiming refunds or reporting income adjustments.
  • Professional preparers: accountants and tax preparers filing on behalf of clients and ensuring federal-state conformity and schedules are attached.
  • Employers/payors: entities that report withholding or prepare reconciliation schedules tied to employee wages and withholding for 2015.

Typical signatories and preparer roles

Tax Preparer

Certified public accountants and enrolled agents who prepare Iowa returns must keep client authorization, include preparer identification, and sign where required; they should retain worksheets and engagement records consistent with professional standards.

Individual Taxpayer

The primary taxpayer or joint filer must sign and date the return, certify accuracy, and supply any requested identification information; unsigned returns can be rejected or treated as incomplete by the Iowa Department of Revenue.

Required data elements on the Iowa Income Tax Form 2015

Taxpayer Name: Legal full name
Social Security Number: SSN or ITIN
Filing Status: Single, Married, etc.
Adjusted Gross Income: Federal AGI amount
Iowa Adjustments: Additions/subtractions
Signature & Date: Signer and date

Step-by-step: completing the Iowa Income Tax Form 2015

Follow these steps in order to prepare, sign, and file the 2015 Iowa income tax return accurately.

  • 01
    Collect documents: Gather W-2s, 1099s, and federal return
  • 02
    Enter income: Transfer federal AGI and adjustments
  • 03
    Claim credits: Complete Iowa credit lines and schedules
  • 04
    Sign and submit: Sign, date, and file via accepted method

Configuring an electronic workflow for Iowa Income Tax Form 2015

Choose settings that preserve audit trails and meet Iowa Department of Revenue requirements when submitting electronically.

Field Configuration
Signature Method e-signature with intent capture
Authentication Email plus access code
Attachment Handling PDF attachments accepted
Audit Trail IP, timestamps, action log

Technical considerations for eSubmission

Ensure the chosen platform captures a complete audit trail, stores signed records securely, and supports required authentication to meet ESIGN and state requirements.

  • File formats: PDF, PDF/A preferred
  • Integrations: Works with common ERPs
  • Security: TLS and AES encryption

How electronic signing and submission typically works

A standard e-signing workflow reduces in-person steps but requires intentional consent, signer identity verification, and record retention.

  • Upload document: Load PDF copy of the form
  • Place fields: Add signature, date, and checkbox fields
  • Invite signer: Send secure link or email invite
  • Complete and archive: Signer completes and system stores audit log

Key deadlines and timing expectations

Important federal and state filing dates affect the Iowa Income Tax Form 2015; extensions change timelines for payment and documentation.

Original filing deadline:

April 15 for individual returns

Extension deadline:

October 15 if an extension is filed

Information returns:

W-2/1099 deadlines may affect attachments

Amended returns:

File as directed by Iowa DOR for corrections

Processing time:

State processing varies; expect weeks

Penalties and risks of errors on the 2015 form

Late filing: Penalties and interest may apply
Incorrect TIN: Triggers backup withholding
Missing signature: Return may be rejected
Underreporting income: Assessment increases and interest
Information return fines: Per-form penalties can apply
Intentional disregard: Higher per-form penalties

Paper filing versus electronic submission for Iowa forms

Compare core differences to choose the method that fits your compliance and timing needs.

Criteria Paper Filing Electronic Filing
Accepted
Signature Type wet ink electronic signature
Processing Time longer typically faster
Audit Trail limited comprehensive

Selected eSignature vendor comparison for signing and submitting tax forms

Pricing and key capability highlights for common eSignature providers; signNow is listed first per vendor comparison conventions.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day free trial Yes Yes Yes Yes
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
Envelope Cap No cap 100 envelopes/user/year Varies Varies Varies

Practical tips for accurate, efficient completion

Apply these best practices to reduce errors, speed processing, and maintain compliant records for the Iowa Income Tax Form 2015.

Verify identity and TINs
Confirm Social Security numbers and names against official ID and federal return copies to avoid mismatches that can delay refunds or trigger withholding.
Reconcile federal and state lines
Ensure federal AGI and schedules match state entries or document adjustments clearly to prevent computational discrepancies during review.
Use secure e-sign and storage
When e-signing, ensure the solution provides an audit trail, TLS/AES encryption, and preserves a tamper-evident copy of the completed form.
Retain supporting documents
Keep W-2s, 1099s, receipts, and schedules for the recommended retention period to support credits and deductions if audited.

Key milestones from preparation to recordkeeping

A sequential view of essential milestones ensures timely filing, evidence preservation, and post-filing follow-up.

01

Gather Documents

Collect all federal and Iowa source documents before drafting

02

Prepare Return

Complete forms, schedules, and calculations

03

File and Confirm

Submit via chosen method and retain confirmation

04

Store Records

Archive signed copies and supporting docs for retention period

Real-world examples of electronic signing and tax workflows

These short case arcs show how organizations streamlined signing and recordkeeping around tax documentation.

Optica Ventures LLC

Optica streamlined client authorizations for tax-year filings using an e-sign workflow that retained audit trails.

  • The interface was simple and accessible to clients.
  • As a result, the team reduced turnaround times and maintained consistent records for audits while preserving client convenience and security.

Tech Data

Tech Data integrated e-sign and workflow automation for internal tax approvals and vendor forms.

  • Integration with backend systems ensured consistent data.
  • This reduced manual handoffs, improved internal control, and accelerated submission of reconciliations to taxing authorities.

Frequently asked questions about completing and submitting the Iowa Income Tax Form 2015

Answers to common questions about signatures, e-submission, errors, and retention for the 2015 Iowa tax form.


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