Versions of New Hampshire Revised Statutes 31-A:2 - Calculation and Certification of Basis for Return of Revenue on LawServer 2023 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2021 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue. 2020 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2019 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2018 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2015 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2014 New Hampshire Revised Statutes 31-A:2 – Calculation and Certification of Basis for Return of Revenue 2009 New Hampshire Revised Statutes 31-A:2 – Calculation And Certification Of Basis For Return Of Revenue