| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2008 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2009 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2010 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2011 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2016 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2017 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2018 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2019 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2020 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2021 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2022 |
| Research and Development Credits Taken (Article 3F) Processed During Calendar Year 2023 |
| State and Local Taxes - 2006 |
| State and Local Taxes - 2007 |
| State and Local Taxes - 2008 |
| State and Local Taxes - 2009 |
| State and Local Taxes - 2010 |
| State and Local Taxes - 2011 |
| Statistical Abstract of North Carolina Taxes - 2004 |
| Statistical Abstract of North Carolina Taxes - 2005 |
