| E. Fresquez | January | 2026 | 2026-OTA-061 | Nonprecedential | Estimation of income (R&TC 19087); late filing penalty (R&TC 19131) |
| L. Goetz and R. Goetz | January | 2026 | 2026-OTA-060 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306); financial disability (R&TC 19316) |
| C. Felker | January | 2026 | 2026-OTA-058 | Nonprecedential | Estimation of income (R&TC 19087); late filing penalty (R&TC 19131); interest abatement |
| W. DeBernardi and D. DeBernardi | January | 2026 | 2026-OTA-056 | Nonprecedential | Late filing penalty (R&TC 19131) |
| M. Lister | January | 2026 | 2026-OTA-055 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| M. Swanson and B. Swanson | January | 2026 | 2026-OTA-053 | Nonprecedential | Late filing penalty (R&TC 19131); interest abatement |
| APlusLives (A+Lives) L.L.C. | January | 2026 | 2026-OTA-052P | Pending Precedential | Annual minimum tax (LLC) (R&TC 17941); per-partner (LLC) late filing penalty (R&TC 19172); demand penalty (R&TC 19133); filing enforcement fee (R&TC 19254) |
| A. Palaigos | January | 2026 | 2026-OTA-050 | Nonprecedential | Late filing penalty (R&TC 19131); demand penalty (R&TC 19133); filing enforcement fee (R&TC 19254); interest abatement |
| S. Mallur and P. Mallur | January | 2026 | 2026-OTA-047 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| W. Reusch and S. Reusch | January | 2026 | 2026-OTA-046 | Nonprecedential | Late payment penalty (R&TC 19132); estimated tax penalty (R&TC 19136) |
| P. Gleason | January | 2026 | 2026-OTA-045 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| A. Ladi and M. Ladi | January | 2026 | 2026-OTA-043 | Nonprecedential | Residency (R&TC 17041); gross income (R&TC 17071; IRC 61); renter's credit (R&TC 17053.5) |
| R. Goedl and P. Goedl | January | 2026 | 2026-OTA-042 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| G. Oliveira | January | 2026 | 2026-OTA-041 | Nonprecedential | Federal adjustment; late filing penalty (R&TC 19131); accuracy-related penalty (R&TC 19164; IRC 6662) |
| B. Morris and D. Morris | January | 2026 | 2026-OTA-039 | Nonprecedential | Noneconomic substance transaction (NEST) penalty (R&TC 19774); interest-based (IB) penalty (R&TC 19777) |
| OTC Global Foundation | January | 2026 | 2026-OTA-038 | Nonprecedential | Charitable exemption (R&TC 23701d); charitable contribution (charitable deduction) (R&TC 24357, 24359; IRC 170); business expense (IRC 162, 274(d)); taxable gross receipts vs capital contributions (IRC 118); interest abatement |
| D. Archer | January | 2026 | 2026-OTA-037 | Nonprecedential | Estimation of income (R&TC 19087); late filing penalty (R&TC 19131) |
| A. Varela and J. Varela | January | 2026 | 2026-OTA-036 | Nonprecedential | Timeliness of NPA (R&TC 19755); abusive tax avoidance transaction (R&TC 19753) ; economic substance; ESOP; noneconomic substance transaction (NEST) penalty (R&TC 19774); interest-based (IB) penalty (R&TC 19777); federal adjustment; accuracy-related penalty (R&TC 19164) |
| G. Dolofan | January | 2026 | 2026-OTA-035 | Nonprecedential | Estimation of income (R&TC 19087); late filing penalty (R&TC 19131); demand penalty (R&TC 19133); filing enforcement fee (R&TC 19254); interest abatement |
| R. Caldwell and P. Caldwell | January | 2026 | 2026-OTA-034 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| G. Haas | January | 2026 | 2026-OTA-033 | Nonprecedential | Electronic payment (e-pay) penalty (R&TC 19011.5) |
| L. Hackney (Dec'd) | January | 2026 | 2026-OTA-032 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306); financial disability (R&TC 19316) |
| Ipenzing LLC | January | 2026 | 2026-OTA-031 | Nonprecedential | Late filing penalty (R&TC 19131); per-shareholder late filing penalty (R&TC 19172.5); estimated tax penalty (R&TC 19142, 19144); interest abatement |
| A. Gates | January | 2026 | 2026-OTA-030 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| L. Gardner | January | 2026 | 2026-OTA-029 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306); financial disability (R&TC 19316) |
| G. Rebish (Dec'd) | January | 2026 | 2026-OTA-027 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306); financial disability (R&TC 19316) |
| B. Tormey and G. Tormey | January | 2026 | 2026-OTA-024 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| M. Maciel and D. Berryman | January | 2026 | 2026-OTA-023 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| R. Garcia and M. Garcia - Opinion on Severed Issues | January | 2026 | 2026-OTA-022P | Pending Precedential | OTA does not have jurisdiction to apportion Tribal reservation-sourced income (constitutional issues, federal preemption, apportionment) |
| R. Garcia and M. Garcia - Opinion on Second Severed Issue | January | 2026 | 2026-OTA-021P | Pending Precedential | Taxation of reservation-source income (R&TC 17131.7) |
| M. Amin and N. Amin | January | 2026 | 2026-OTA-020 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| D. Gonzalez | January | 2026 | 2026-OTA-019 | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| Notfriends, Inc. | January | 2026 | 2026-OTA-018 | Nonprecedential | Late payment penalty (R&TC 19132); estimated tax penalty (corporation) (R&TC 19142, 19144); interest abatement |
| P. Guinther | January | 2026 | 2026-OTA-017SCP | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| R. Balakrishnan and S. Padmanabhan | January | 2026 | 2026-OTA-016SCP | Nonprecedential | Late payment penalty (R&TC 19132); estimated tax penalty (R&TC 19136); interest abatement |
| Barnhill Partners LLC | January | 2026 | 2026-OTA-015SCP | Nonprecedential | Per-partner (LLC member) late filing penalty (R&TC 19172) |
| L. Ostarello | January | 2026 | 2026-OTA-014SCP | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| D. Hughes | January | 2026 | 2026-OTA-013SCP | Nonprecedential | Statute of limitations on claim for refund (R&TC 19306) |
| J. Tatom and R. Minetto - PFR Opinion | January | 2026 | 2026-OTA-012 | Nonprecedential | Standard for granting petition for rehearing |
| J. Tatom and R. Minetto | January | 2026 | 2026-OTA-011 | Nonprecedential | Federal adjustment |
| M. McGuire - PFR Opinion | January | 2026 | 2026-OTA-008 | Nonprecedential | Standard for granting petition for rehearing (irregularity in proceeding, error in law, contrary to law) |
| M. McGuire | January | 2026 | 2026-OTA-007 | Nonprecedential | Estimation of income (R&TC 19087); late filing penalty (R&TC 19131) |
| A. Keshishian and E. Keshishian - PFR Opinion | January | 2026 | 2026-OTA-004 | Nonprecedential | Standard for granting petition for rehearing |
| A. Keshishian and E. Keshishian | January | 2026 | 2026-OTA-003 | Nonprecedential | Late payment penalty (R&TC 19132); estimated tax penalty (R&TC 19136) |
| J. Lin and D. Lin - PFR Opinion | January | 2026 | 2026-OTA-002 | Nonprecedential | Standard for granting petition for rehearing (contrary to law, error in law, insufficient evidence, due process) |
| J. Lin and D. Lin | January | 2026 | 2026-OTA-001 | Nonprecedential | Gross income (IRC 61); estimation of income (R&TC 19087); late filing penalty (R&TC 19131); frivolous return penalty (R&TC 19179); frivolous appeal penalty (R&TC 19714; Reg. 30217) |