California Optometric Association

Orange County Optometric Society
  • Placentia, CA
  • Tax exemption issued: Aug. 1959
  • EIN: 95-6122686

Organization summary

Type of Nonprofit

Designated as a Business leagues, chambers of commerce, real estate boards, etc, created for the improvement of business conditions.

Donations to this organization are not tax deductible.

Tax Filings by Year

Form 990 is an information return that most organizations claiming federal tax-exempt status must file yearly with the IRS. Nonprofit Explorer has IRS digitized Form 990 data for filings processed in 2012 and later. Duplicate download links may indicate a resubmission or amendment to this organization's original return. Organizations with gross receipts of less than $50,000 can file the form 990-N postcard filing, which doesn’t include financial details. All Form 990 data is from the IRS.

Fiscal Year Ending Dec.
2024

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$61,378
Expenses
$49,036
Net Income
$12,342
Net Assets
$162,594
Notable Sources of Revenue Percent of Total Revenue
Contributions $61,378
100%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $162,594
Total Liabilities $0
Net Assets $162,594
Compensation
Key Employees and Officers Compensation Other
Derek Pi (Membershiip) $0 $0
Rachelle Lin (Membership C) $0 $0
Kalley Marshall (Trustee) $0 $0
Ivy Lin (Newsletter E) $0 $0
Dawn Miller (Ocos Advisor) $0 $0
Matt Wang (Ocos Advisor) $0 $0
Annabelle Storch (President) $0 $0
Becky Ng (Co-chair) $0 $0
Millie Liu (Co-chair) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Alex Elson (Legislative) $0 $0
Danny Ngo (Public Relat) $0 $0
Melissa Tawa (Education Co) $0 $0
Steven Wang (Communicatio) $0 $0
+ View more people

Document Links

990-EZ
Filed on Oct. 16, 2025

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2023

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$67,572
Expenses
$52,940
Net Income
$14,632
Net Assets
$150,252
Notable Sources of Revenue Percent of Total Revenue
Contributions $47,100
69.7%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $150,252
Total Liabilities $0
Net Assets $150,252
Compensation
Key Employees and Officers Compensation Other
Annabelle Storch (President) $0 $0
Becky Ng (Sponsorship Co-chair) $0 $0
Millie Liu (Sponsorship Co-chair) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Alex Elson (Legislative) $0 $0
Danny Ngo (Public Relations) $0 $0
Melissa Tawa (Education Co-chair) $0 $0
Cathie Heyman (Education Co-chair) $0 $0
Steven Wang (Communicationsemailwebsite) $0 $0
Michael Wong (Sponsorship Committee) $0 $0
Derek Pi (Membership Committee) $0 $0
Kailey Marshall (Public Relations Committee) $0 $0
Ivy Lin (Communicationsnewsletter) $0 $0
Dawn Miller (Ocos Advisor) $0 $0
Matt Wang (Ocos Advisor) $0 $0
Rachelle Lin (Coa Liaison) $0 $0
+ View more people

Document Links

990-EZ
Filed on Sept. 16, 2024

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2022

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$46,919
Expenses
$50,097
Net Income
-$3,178
Net Assets
$135,620
Notable Sources of Revenue Percent of Total Revenue
Contributions $25,550
54.5%
Program Services $0
Investment Income $11
0.0%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $135,620
Total Liabilities $0
Net Assets $135,620
Compensation
Key Employees and Officers Compensation Other
Christine Yoo (President) $0 $0
Becky Ngo (Sponsorship Co-chair) $0 $0
Millie Liu (Sponsorship Co-chair) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Annabelle Storch (Legislative) $0 $0
Danny Ngo (Public Relations) $0 $0
Shora Ansari (Education Co-chair) $0 $0
Cathie Heyman (Education Co-chair) $0 $0
Steven Wang (Communicationsemailwebsite) $0 $0
Caroline Quan (Sponsorship Committee) $0 $0
Alex Elson (Legislative Committee) $0 $0
Lilly Zarif (Membership Committee) $0 $0
Thanh Mai (Public Relations Committee) $0 $0
Hannah Cho (Public Relations Committee) $0 $0
Melissa Tawa (Education Committee) $0 $0
Ivy Lin (Communicationsnewsletter) $0 $0
Dawn Miller (Ocos Advisor) $0 $0
Matt Wang (Ocos Advisor) $0 $0
Rachelle Lin (Coa Liaison) $0 $0
+ View more people

Document Links

990-EZ
Filed on May 18, 2023

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2021

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$46,441
Expenses
$42,568
Net Income
$3,873
Net Assets
$138,798
Notable Sources of Revenue Percent of Total Revenue
Contributions $27,650
59.5%
Program Services $0
Investment Income $30
0.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $138,798
Total Liabilities $0
Net Assets $138,798
Compensation
Key Employees and Officers Compensation Other
Kailey Marshall (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Shora Ansari (Education Co-chair) $0 $0
Millie Liu (Sponsorship) $0 $0
Danny Ngo (Public Relations) $0 $0
Rachel Niskanen (Membership) $0 $0
Thanh Mai (Public Relations) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Romnia Escalante (Communications And Webmaster) $0 $0
Christine Yoo (Education Co-chair) $0 $0
Annabelle Storch (Legislative Co-chair) $0 $0
Alex Elson (Sponsorship) $0 $0
Lilly Zarif (Membership) $0 $0
Ivy Lin (Newsletter) $0 $0
Dawn Miller (Ocos Advisor) $0 $0
Matt Wang (Ocos Advisor) $0 $0
Rachelle Lin (Coa Liaison) $0 $0
Catherine Heyman (Student Liaison) $0 $0
Hannah Cho (Volunteer Projects) $0 $0
Steve Wang (Communications Email) $0 $0
+ View more people

Document Links

990-EZ
Filed on Oct. 31, 2022

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2020

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$54,753
Expenses
$25,172
Net Income
$29,581
Net Assets
$134,925
Notable Sources of Revenue Percent of Total Revenue
Contributions $35,654
65.1%
Program Services $0
Investment Income $96
0.2%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $134,925
Total Liabilities $0
Net Assets $134,925
Compensation
Key Employees and Officers Compensation Other
Kailey Marshall (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Shora Ansari (Education Co-chair) $0 $0
Millie Liu (Sponsorship) $0 $0
Danny Ngo (Public Relations) $0 $0
Rachel Niskanen (Membership) $0 $0
Thanh Mai (Public Relations) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Romnia Rendon-rodriguez (Communications And Webmaster) $0 $0
Christine Yoo (Education Co-chair) $0 $0
Annabelle Storch (Legislative Co-chair) $0 $0
Alex Rlson (Legislative Co-chair) $0 $0
Lilly Zarif (Membership) $0 $0
Ivy Lin (Newsletter) $0 $0
Dawn Miller (Trustee) $0 $0
Matt Wang (Trustee) $0 $0
Rachelle Lin (Coa Liaison) $0 $0
+ View more people

Document Links

990-EZ
Filed on April 27, 2021

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2019

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$68,435
Expenses
$59,887
Net Income
$8,548
Net Assets
$105,344
Notable Sources of Revenue Percent of Total Revenue
Contributions $51,421
75.1%
Program Services $0
Investment Income $113
0.2%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $105,344
Total Liabilities $0
Net Assets $105,344
Compensation
Key Employees and Officers Compensation Other
Alex Elson (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Matthew Hendricks (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Danny Ngo (Public Relations) $0 $0
Fara Moin (Membership) $0 $0
Kailey Marshall (Public Relations) $0 $0
Rebecca Ng (Events And Sponsorship) $0 $0
Thanh Mai (Communications And Webmaster) $0 $0
Lisa Nguyen (Education Comittee) $0 $0
Matthew Hendricks (Public Relations) $0 $0
Rachelle Lin (Legislative) $0 $0
Steve Downs (Membership) $0 $0
+ View more people

Document Links

990-EZ
Filed on June 24, 2020

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Dec.
2018

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$73,085
Expenses
$61,819
Net Income
$11,266
Net Assets
$96,796
Notable Sources of Revenue Percent of Total Revenue
Contributions $55,253
75.6%
Program Services $0
Investment Income $0
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $96,796
Total Liabilities $0
Net Assets $96,796
Compensation
Key Employees and Officers Compensation Other
Rachelle Lin (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Cecilia Rivas (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Justin Kwan (Legislation Committee) $0 $0
Fara Moin (Membership) $0 $0
Dawn Miller (Advisory Committee) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Steve Wang (Public Relations) $0 $0
Ketan Patel (Communications And Webmaster) $0 $0
Alex Elson (Legislation Committee) $0 $0
+ View more people

Document Links

990-EZ
Filed on July 2, 2019

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2018

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$45,794
Expenses
$54,889
Net Income
-$9,095
Net Assets
$85,530
Notable Sources of Revenue Percent of Total Revenue
Contributions $34,095
74.5%
Program Services $0
Investment Income $103
0.2%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $500
1.1%
Assets/Debt
Total Assets $85,530
Total Liabilities $0
Net Assets $85,530

No Document Links

The IRS has provided extracted financial data for this filing, but has not yet released the source documents.

Fiscal Year Ending Dec.
2017

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$45,794
Expenses
$54,889
Net Income
-$9,095
Net Assets
$85,530
Notable Sources of Revenue Percent of Total Revenue
Contributions $34,095
74.5%
Program Services $0
Investment Income $103
0.2%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $500
1.1%
Assets/Debt
Total Assets $85,530
Total Liabilities $0
Net Assets $85,530
Compensation
Key Employees and Officers Compensation Other
Rachelle Lin (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Cecilia Rivas (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Justin Kwan (Legislation Committee) $0 $0
Fara Moin (Membership) $0 $0
Dawn Miller (Advisory Committee) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Steve Wang (Public Relations) $0 $0
Ketan Patel (Communications And Webmaster) $0 $0
Alex Elson (Legislation Committee) $0 $0
+ View more people

Document Links

990-EZ
Filed on June 18, 2018

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2017

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$56,696
Expenses
$51,591
Net Income
$5,105
Net Assets
$94,625
Notable Sources of Revenue Percent of Total Revenue
Contributions $44,801
79.0%
Program Services $0
Investment Income $40
0.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $500
0.9%
Assets/Debt
Total Assets $94,625
Total Liabilities $0
Net Assets $94,625
Compensation
Key Employees and Officers Compensation Other
Rachelle Lin (President) $0 $0
Belinda Kuo (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Cecilia Rivas (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Justin Kwan (Legislation Committee) $0 $0
Fara Moin (Membership) $0 $0
Dawn Miller (Advisory Committee) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Steve Wang (Public Relations) $0 $0
Ketan Patel (Communications And Webmaster) $0 $0
Alex Elson (Legislation Committee) $0 $0
+ View more people

Document Links

990-EZ
Filed on Aug. 1, 2017

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2016

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$62,599
Expenses
$62,697
Net Income
-$98
Net Assets
$89,520
Notable Sources of Revenue Percent of Total Revenue
Contributions $50,625
80.9%
Program Services $0
Investment Income $286
0.5%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $150
0.2%
Assets/Debt
Total Assets $89,520
Total Liabilities $0
Net Assets $89,520
Compensation
Key Employees and Officers Compensation Other
Danny Ngo (President) $0 $0
Jade Davis Od (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Rachelle Lin (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Justin Kwan (Legislation Committee) $0 $0
Edeline Lu (Membership) $0 $0
Harue Marsden (Advisory Committee) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Ketan Patel (Webmaster) $0 $0
Thanh Mai (President Elect Public Relations) $0 $0
+ View more people

Document Links

990-EZ
Filed on Sept. 21, 2016

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML
PDF (2 of 2)

Fiscal Year Ending Feb.
2015

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$46,369
Expenses
$45,604
Net Income
$765
Net Assets
$89,618
Notable Sources of Revenue Percent of Total Revenue
Contributions $34,387
74.2%
Program Services $0
Investment Income $487
1.1%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $89,618
Total Liabilities $0
Net Assets $89,618
Compensation
Key Employees and Officers Compensation Other
Danny Ngo (President) $0 $0
Jade Davis Od (Treasurer) $0 $0
Maggie Jan (Secretary) $0 $0
Rachelle Lin (Education Committee) $0 $0
Millie Liu (Events And Sponsorship) $0 $0
Justin Kwan (Legislation Committee) $0 $0
Edeline Lu (Membership) $0 $0
Harue Marsden (Advisory Committee) $0 $0
Becky Ng (Events And Sponsorship) $0 $0
Ketan Patel (Webmaster) $0 $0
Thanh Mai (President Elect Public Relations) $0 $0
Isabell Choi (Immediate Past President) $0 $0
+ View more people

Document Links

990-EZ
Filed on July 8, 2015

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2014

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$55,586
Expenses
$55,502
Net Income
$84
Net Assets
$88,853
Notable Sources of Revenue Percent of Total Revenue
Contributions $42,226
76.0%
Program Services $0
Investment Income $244
0.4%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $88,853
Total Liabilities $0
Net Assets $88,853
Compensation
Key Employees and Officers Compensation Other
Isabel Choi-siritara (President) $0 $0
Jade Davis Od (Treasurer) $0 $0
Mindy Nguyen (Secretary) $0 $0
Eric Bender (Education Committee) $0 $0
Rebecca Ng (Events Chairman) $0 $0
David Ardaya (Legislation Committee) $0 $0
James Cooperman (Legislation Committee) $0 $0
Chris Vargas (Legislation Committee) $0 $0
+ View more people

Document Links

990-EZ
Filed on June 11, 2014

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2013

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$78,795
Expenses
$57,017
Net Income
$21,778
Net Assets
$88,769
Notable Sources of Revenue Percent of Total Revenue
Contributions $65,134
82.7%
Program Services $0
Investment Income $279
0.4%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $0
Assets/Debt
Total Assets $88,769
Total Liabilities $0
Net Assets $88,769

Document Links

990-EZ
Filed on Aug. 1, 2013

Short form tax return for a nonprofit’s activities, finances, and governance

View Filing
PDF XML

Fiscal Year Ending Feb.
2012

Extracted Financial Data

Extracted Financial Data from 990-EZ
Revenue
$71,224
Expenses
$51,137
Net Income
$20,087
Net Assets
$66,991
Notable Sources of Revenue Percent of Total Revenue
Contributions $56,156
78.8%
Program Services $0
Investment Income $372
0.5%
Net Fundraising $0
Sales of Assets $0
Net Inventory Sales $0
Other Revenue $34
0.0%
Assets/Debt
Total Assets $66,991
Total Liabilities $0
Net Assets $66,991

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2011

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2010

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2009

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2008

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2006

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

Fiscal Year Ending Feb.
2005

No Extracted Financial Data

Extracted financial data is not available for the forms filed in this tax period, but Form 990 documents are available for download.

Document Links

990-EZ

Short form tax return for a nonprofit’s activities, finances, and governance

PDF

About This Data

What Is This Data?

Nonprofit Explorer includes summary data for nonprofit tax returns and full Form 990 documents, in both PDF and digital formats.

The summary data contains financial information from tax returns processed by the IRS since the 2012 calendar years, as well as data extracted from digital filings. IRS summary data also includes limited older records. This data release includes only a subset of what can be found in the full Form 990s.

In addition to the raw summary data, we link to PDFs and digital copies of full Form 990 documents wherever possible. This consists of separate releases by the IRS of Form 990 documents processed by the agency, which we update regularly.

We also link to copies of audits for nonprofit organizations that spent $750,000 or more in federal grant money in a single fiscal year since 2016. These audits are copied from the Federal Audit Clearinghouse.

Which Organizations Are Here?

Most organizations that have been recognized as tax exempt by the IRS have to file the Form 990 every year, unless they make less than $200,000 in revenue and have less than $500,000 in assets, in which case they have to file the Form 990-EZ. Organizations making less than $50,000 don’t have to file either form but do have to let the IRS they’re still in business via a Form 990N "e-Postcard," which does not contain financial details. Churches are not required to file Form 990.

Nonprofit Explorer has organizations that are claiming tax exemption in any of the 27 subsections of the 501(c) section of the tax code. Taxable trusts and private foundations that are required to file a form 990PF are also included.

Types of Nonprofits

There are 27 nonprofit designations based on the numbered subsections of section 501(c) of the tax code. See the list »

Get the Data

For those interested in acquiring the original data from the source, here’s where our data comes from:

  • Raw filing data. Includes Employer Identification Numbers and summary financials as structured data.
  • Exempt Organization profiles. Includes organization names, addresses, etc. You can merge this with the raw filing data using EIN numbers.
  • Form 990 documents. Prior to 2017, these documents were obtained and processed by Public.Resource.org and ProPublica.
  • Form 990 documents as XML files. Includes complete filing data (financial details, names of officers, tax schedules, etc.) in machine-readable format. Only available for electronically filed documents. Electronic data released prior to October 2021 is also available through Amazon Web Services.
  • Audits. PDFs of single or program-specific audits for nonprofit organizations that spent $750,000 or more in federal grant money in a single fiscal year. Available for fiscal year 2015 and later.

API

The data powering this website is available programmatically, via an API. Read the API documentation »

See an issue with the data?

Contact Us

About Nonprofit Explorer

Nonprofit Explorer

Browse millions of annual returns filed by tax-exempt organizations with ProPublica’s Nonprofit Explorer. See details like executive compensation, revenue, expenses and more. Search for an organization or a person, or search the full text of filings.

By Andrea Suozzo, Alec Glassford, Ash Ngu and Brandon Roberts.

Design by Jeff Frankl. Additional development by Ken Schwencke, Mike Tigas, and Sisi Wei.

E-file viewer adapted from IRS e-File Viewer by Ben Getson. Code for scraping audit documents adapated from Govwiki.

Updated