Hawaii Association of
Public Accountants

Welcome

We represent public accounting practitioners throughout the State of Hawaii, and HAPA is the only accounting and tax organization with Chapters on Oahu, Maui, Big Island and Kauai.  We are volunteer driven and rely upon members to help the accounting profession and fellow practitioners.

We welcome those who are interested in joining HAPA.  We provide special membership rates for Young Professionals and Students.  

Please take some time and explore all of the various functions HAPA has to offer.

  • 9 Dec 2025 2:55 PM | Anonymous member (Administrator)

    The Hawaii Association of Public Accountants – Oahu Chapter Presents

    Professional Tax Institute – 2025 Individual Tax Updates
    Live in Person or Online

    Register Here

    Download Registration Form PDF

    Japanese Cultural Center of Hawaii
    2454 South Beretania Street
    Honolulu, Hawaii
    January 6 and 7, 2026
    Registration:  7:30 a.m. – Seminar: 8:00 a.m. to 4:00 p.m.

    Recommended CPE
    16 hours – Approved provider for EA and RTRP requirements
    Field of Study – Taxes


    SPEAKERS:      Randall R. Carlson, EA            Paul C. Bumgarner, EA

                            Frances J. Coet, CPA                Ronald D. Powell, EA

    TOPICS:           Presenting 16 hours of the latest tax law information

    • One Big Beautiful Bill Act (Individual, Energy, Business Provisions) 
    • New Developments (Social Security Fairness Act, Disaster Relief, TCJA) 
    • Individual Taxpayer (Schedule A items, Theft Losses Related to Internet Scams) 
    • IRS Update (Online accounts, Alternative Dispute Resolution) 
    • Ethics - Due Diligence 
    • S Corp Formation 
    • Real Estate Rental Activity Issues 
    • Schedule E
    • Various Specialized Trusts
    • Small Business (Retirement Plans) 
    • Rulings and Court Cases

    Paperless Seminar: Seminar materials will be available for download from the HAPA website after January 3, 2026.  Password will be emailed to attendees.

    Federal Tax Workbook: Available only for live-in person attendee - There is a limited supply of hard copies of the Federal Tax Workbook available for purchase. The cost is $50. It will be distributed on a first-come, first-served basis based upon when registration is received.  

    Included in Seminar Cost: Continental breakfast, lunch, refreshment breaks, WIFI access and 8 hour validated parking at the Japanese Cultural Center of Hawaii.

    Registration Deadline: December 29, 2025. Registration received later will be on a space available basis. 

    Cancellation Policy: Cancellation after the early registration cutoff date will be assessed a $50 administrative fee. No refunds for cancellation within (7) days prior to the seminar date. No exceptions.

    REGISTER AND PAY ONLINE at hawaiiassociationofpublicaccountants.com

    Online registration will accept major credit cards and ACH payments.

    Questions regarding Online Registration

     Contact Eric Matsuda, CPA at e.matsuda2@hawaiiantel.net

    OR

    MAIL YOUR CHECK ALONG WITH YOUR REGISTRATION FORM TO:

    Eric Matsuda, CPA
    1481 S. King St., Ste. 523
    Honolulu, HI  96814



  • 9 Dec 2025 2:54 PM | Anonymous member (Administrator)

    The Hawaii Association of Public Accountants Presents

    Professional Tax Institute – 2025 Individual Tax Updates

    Download Registration Form PDF

    MAUI SEMINAR

    January 8 – 9, 2026
    Maui Beach Hotel – Live
    Kahului, Maui

    HILO SEMINAR

    January 7 – 8, 2026
    Hilo Hawaiian Hotel - Live
    Hilo, Hawaii

    Registration:  7:30 a.m.                           Seminar:  8:00 a.m. to 4:00 p.m.

    SPEAKERS:      Randall R. Carlson, EA            Paul C. Bumgarner, EA

                            Frances J. Coet, CPA                Ronald D. Powell, EA

    TOPICS:           Presenting 16 hours of the latest tax law information

    • One Big Beautiful Bill Act (Individual, Energy, Business Provisions) 
    • New Developments (Social Security Fairness Act, Disaster Relief, TCJA)
    • Individual Taxpayer (Schedule A items, Theft Losses Related to Internet Scams) 
    • IRS Update (Online accounts, Alternative Dispute Resolution) 
    • Ethics - Due Diligence
    • S Corp Formation 
    • Real Estate Rental Activity Issues
    • Schedule E
    • Various Specialized Trusts
    • Small Business (Retirement Plans) 
    • Rulings and Court Cases

    Attendees will receive a hard copy of the Federal Tax Workbook and many additional conference materials.  (Note: there is a limited supply of hard copy materials, and it will be distributed on a first-come, first-served basis based upon when registration is received.)  There will also be access to online updated text and other tools you will find indispensable to your practice.

    Registration Deadline: December 29, 2025. Registration received later will be on a space available basis.

    Included in Seminar Cost: Continental breakfast and lunch will be provided.

    Cancellation Policy: Cancellation after the early registration cutoff date will be assessed a $50 administrative fee. No refunds for cancellation within (7) days prior to the seminar date.  No exceptions.

    For Maui and Hilo Seminars only:

    MAIL YOUR CHECK PAYABLE TO HAPA, ALONG WITH YOUR REGISTRATION FORM TO:

    MAUI

    HILO

    Marilyn M. Niwao, JD, CPA
    Niwao & Roberts, CPAs, A P.C.
    2145 Wells St., Ste. 402
    Wailuku, HI  96793

    Phone:  242-4600   Ÿ     Fax:  242-4607

    Valerie Peralto, CPA
    Peralto & Co., CPAs, Inc.
    P.O. Box 763
    Hilo, HI  96721

    Phone:  961-3462   Ÿ      Fax:  961-3571




  • 9 Dec 2025 2:54 PM | Anonymous member (Administrator)

    The Hawaii Association of Public Accountants Presents

    Professional Tax Institute – 2025 Individual Tax Updates

    Download Registration Form PDF

    MAUI SEMINAR

    January 8 – 9, 2026
    Maui Beach Hotel – Live
    Kahului, Maui

    HILO SEMINAR

    January 7 – 8, 2026
    Hilo Hawaiian Hotel - Live
    Hilo, Hawaii

    Registration:  7:30 a.m.                           Seminar:  8:00 a.m. to 4:00 p.m.

    SPEAKERS:      Randall R. Carlson, EA            Paul C. Bumgarner, EA

                            Frances J. Coet, CPA                Ronald D. Powell, EA

    TOPICS:           Presenting 16 hours of the latest tax law information

    • One Big Beautiful Bill Act (Individual, Energy, Business Provisions) 
    • New Developments (Social Security Fairness Act, Disaster Relief, TCJA)
    • Individual Taxpayer (Schedule A items, Theft Losses Related to Internet Scams) 
    • IRS Update (Online accounts, Alternative Dispute Resolution) 
    • Ethics - Due Diligence
    • S Corp Formation 
    • Real Estate Rental Activity Issues
    • Schedule E
    • Various Specialized Trusts
    • Small Business (Retirement Plans) 
    • Rulings and Court Cases

    Attendees will receive a hard copy of the Federal Tax Workbook and many additional conference materials.  (Note: there is a limited supply of hard copy materials, and it will be distributed on a first-come, first-served basis based upon when registration is received.)  There will also be access to online updated text and other tools you will find indispensable to your practice.

    Registration Deadline: December 29, 2025. Registration received later will be on a space available basis.

    Included in Seminar Cost: Continental breakfast and lunch will be provided.

    Cancellation Policy: Cancellation after the early registration cutoff date will be assessed a $50 administrative fee. No refunds for cancellation within (7) days prior to the seminar date.  No exceptions.

    For Maui and Hilo Seminars only:

    MAIL YOUR CHECK PAYABLE TO HAPA, ALONG WITH YOUR REGISTRATION FORM TO:

    MAUI

    HILO

    Marilyn M. Niwao, JD, CPA
    Niwao & Roberts, CPAs, A P.C.
    2145 Wells St., Ste. 402
    Wailuku, HI  96793

    Phone:  242-4600   Ÿ     Fax:  242-4607

    Valerie Peralto, CPA
    Peralto & Co., CPAs, Inc.
    P.O. Box 763
    Hilo, HI  96721

    Phone:  961-3462   Ÿ      Fax:  961-3571



  • 17 Oct 2025 2:55 PM | Anonymous member (Administrator)

    Hawaii Association of Public Accountants presents

    2025 Tax Updates & Ethics
    with Steve Dilley & Doug Van Der Aa


    Individual Tax Update with Steve Dilley

    This program provides a comprehensive discussion of the major individual provisions of the OBBA of 2025 (H.R. 1), including detailed examples of provisions which were extended, made permanent with substantial changes, and new for 2025 and beyond.

    Recommended CPE: 8 hours Taxes

    Option 1: November 13 & 14, 2025CLICK HERE to register

    Option 2: December 2 & 3, 2025CLICK HERE to register

    Business Tax Update with Doug Van Der Aa

    Whether you asked for it (or not) and it's here! The One Big Beautiful Bill Act was signed on July 4. This program will dig into the meat of the Act that will impact business your clients, including No Tax on Tips, No Tax on Overtime, increased Section 199A Deduction, 100% Section 168(k) Bonus and much, much more!

    Recommended CPE: 8 hours Taxes

    Option 1: November 24 & 25, 2025CLICK HERE to register

    Option 2: December 8 & 9, 2025CLICK HERE to register

    Ethics Options

    Ethical Practices & Responsibilities Under Circular 230

    The IRS has recently issued proposed regulations to update the Circular 230 rules for all tax practitioners, amending these rules in various ways to reflect changes in the law. This session will review these new rules and discuss their impact on your tax practice.
    Presenter: Steve Dilley

    November 18 - 9:00 am – 10:45 am HST – CLICK HERE to register

    Tax Practice Ethical Challenges and Circular 230

    This presentation will provide a detailed analysis of the Circular 230 rules for conduct of a tax practice, with a review of the political, legislative and regulatory rules impacting every accounting and tax professional. Best practices and guidance provided by the AICPA’s Code of Professional Conduct will be discussed.
    Presenter: Doug Van Der Aa

    December 12, 9:00 am – 10:45 am HST – CLICK HERE to register

    To register, visit:

    https://haopa.wildapricot.org/

    Got questions? Contact the Hawaii Association of Public Accountants at:

    e.matsuda2@hawaiiantel.net

  • 24 Sep 2025 10:20 AM | Anonymous member (Administrator)

    Hawaii Association of Public Accountants 
    Ethics Webinar 
    Qualifies for 2 Hours CPA and IRS PTIN credit for ethics

    Tax Practice Ethical Challenges and Circular 230

    With Douglas J. Van Der Aa, CPA, JD

    December 12, 2025 – 9:00 am – 10:45 am HST

    Register Here

    Download Registration Form

    Description:  This presentation will provide a detailed analysis of the Circular 230 rules for conduct of a tax practice, with a review of the political, legislative and regulatory rules impacting every accounting and tax professional. Best practices and guidance provided by the AICPA’s Code of Professional Conduct will be discussed.

    Learning Objectives: 

    • Apply professional ethical guidance to professionals in public practice accounting
    • Identify key Circular 230 issues and best practices.

    Major Topics:

    • Circular 230 (IRS) rules for conducting a "best" tax practice
    • How to avoid tax return preparation penalties
    • Review of tax return preparer's registration rules 
    • Explanation of the revised AICPA Code of Professional Conduct
    • Contingent fees
    • Proposed new regulations

    Who Should Attend: CPAs and staff in public accounting and members in industry and other tax practitioners. 

    Instructor: Douglas J Van Der Aa, CPA, JD

    Program Level: Basic

    Field of Study: Regulatory Ethics

    Prerequisite: None

    Advanced preparation: None

    Developed By: Van Der Aa Tax Ed, LLC

    CPE Credit: 2 hours – Qualifies for IRS PTIN Credit 

    Cancellation policy:  No refunds for cancellation within 3 days prior to the seminar date.

    REGISTER ONLINE@ haopa.wildapricot.org

    Questions re Webinar or Online Registration? – contact Eric Matsuda, CPA at e.matsuda2@hawaiiantel.net or telephone (808) 949-7651

    Alternatively, please register by mailing in registration form and check below:


  • 14 Jul 2025 10:08 AM | Anonymous member (Administrator)

    Hawaii Association of Public Accountants

    Notice of Upcoming Seminars as of July 10, 2025

    Please mark your calendars for the upcoming live seminars and webinars planned for this upcoming fiscal year.  The Annual HAPA State Convention will be held on Kauai in June 2026, and additional information on this event will be forthcoming at a later date.

    Thank you.  Marilyn M. Niwao, M.S.P.H., J.D., CPA, CGMA

    1.    Fiduciary Accounting for Estates & Trusts with Doug J. Van Der Aa, CPA, J.D. – Live Webcast, Recommended 4 hours CPE, A & A)
    August 5, 2025 – 9:00 a.m. – 12:45 p.m.

    2.    Guide to Preparing Form 1041 for Estates and Trusts with Doug J. Van Der Aa, CPA, J.D. – Live Webcast, Recommended 4 hours CPE
    August 12, 2025 – 9:00 a.m. – 12:45 p.m.

    3.    Walter Haig’s Annual Accounting and Reporting Standards Update and Review: The best refresher course of U.S. GAAP, the Tax, Cash and AICPA Special Purpose Frameworks, the AICPA’s Preparation, Compilation, Review Standards and the AICPA Audit Standards; (recommended 16 hours CPE);
    Registration 7:30 a.m.; Live Seminar 8:00 – 4:00 p.m.
    Maui:  Aug 19 & 20, 2025 - Maui Arts & Cultural Ctr
    Big Island:  Aug 25 & 26, 2025 - Hilo Hawaiian Hotel
    Oahu:  August 28 & 29, 2025 – Manoa Grand Ballroom

    4.    2024 Business Tax Update with Doug J. Van Der Aa, CPA, J.D.  (Recommended 8 hours CPE over two days; Webinar)
    November 24 & 25, 2025 (2 days), 9:00 a.m. – 12:50 p.m., or
    December 8 & 9, 2025 (2 days), 9:00 a.m. – 12:50 p.m.

    5.    2025 Individual Tax Update with Steve Dilley, CPA, J.D., PhD (Recommended 8 hours CPE over two days; Webinar)
    November 13 & November 14, 2025 (2 days), 9:00 a.m. – 12:50 p.m., or
    December 2 & December 3, 2025 (2 days), 9:00 a.m. – 12:50 p.m.

    6.     Ethical Practices and Responsibilities under Circular 230 with Steve Dilley, CPA, J.D, PhD (Recommended 2 hours of Ethics; Webinar)
    November 18, 2025, 9:00 a.m. – 10:45 a.m.

    7.     Tax Practice Ethical Challenges and Circular 230 with Doug Van Der Aa, CPA, J.D. (Recommended 2 hours of ethics; Webinar)
    December 12, 2025, 9:00 a.m. – 10:45 a.m.

    8.    2025 Professional Tax Institute (PTI) – Individual 1040 Conference (Recommended 16 hours CPE) with Randall Carlson, EA, ABA, ATA, ARA; Paul C. Bumgarner, EA, ABA, ATA, ATP, ARA; Ronald Powell, EA; Frances Coet, CPA/CFF, CVA, CFP, MAFF;
    Registration 7:30 a.m.; Live Seminar 8:00 – 4:00 p.m.
    Oahu:  January 6 & 7, 2026 – Manoa Grand Ballroom     
    Big Island:  January 7 & 8, 2026 - Hilo Hawaiian Hotel
    Maui:  January 8 & 9, 2026 – Maui Beach Hotel

    9.    HAPA 70th Annual State Convention

    Kauai:  June 3 – 5, 2026 – Koloa Landing Resort at Poipu, Autograph Collection


Hawaii Association of Public Accountants is a 501(c)6 non-profit organization. P.O. Box 61043, Honolulu HI 96839

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