State Tax Appeal
Idaho State Tax Appeal
Drafting aid for a protest to the Idaho State Tax Commission, an appeal to the Idaho Board of Tax Appeals, and the alternative or later district-court route
IMPORTANT — IDENTIFY THE TAX AND STAGE
For deficiency determinations governed by Idaho Code § 63-3045, the ordinary sequence is:
- written protest to the Idaho State Tax Commission;
- independent administrative redetermination by the Tax Commission's Appeals Unit, including an informal hearing if pursued;
- a written final Tax Commission decision; and
- timely review either by the independent Idaho Board of Tax Appeals (BTA), if that forum is available, or directly in district court.
The BTA is a real independent body under Idaho Code § 63-3801, but it is not available for every state-tax dispute. Do not label it the universal or exclusive forum.
| Stage | Ordinary rule | Key consequence |
|---|---|---|
| Protest of Notice of Deficiency Determination (NODD) | Written protest within 63 days after the notice is sent | A perfected protest produces independent administrative redetermination and an opportunity for an informal hearing |
| Special short protest period | 30 days for IFTA, IRP, Idaho Full Fee Registration audits, and sales-tax jeopardy assessments under current Tax Commission guidance | Follow the notice and tax-specific statute; do not use the ordinary 63-day period |
| Cure of incomplete protest | Required information must be supplied within 28 days from the Tax Commission's inadequacy notice | If not perfected, the NODD becomes final on the 29th day, subject to the statute |
| Review of final Tax Commission decision | BTA appeal or district-court complaint within 91 days after receipt of the decision | Before either route, deposit cash equal to 20% of the amount asserted or provide other security acceptable to the Tax Commission |
| BTA rehearing / reconsideration | Motion within 10 days after the BTA decision is mailed | A supporting brief and service on other parties are required under current BTA Rule 145 |
| District-court review of BTA decision | Petition under Idaho Rule of Civil Procedure 84, ordinarily within 28 days after the BTA action is ripe for review | Trial de novo without a jury under Idaho Code § 63-3812; tax payment is not suspended merely by this appeal |
BTA jurisdiction limitation
Under Idaho Code § 63-3049(a):
- individual income-tax decisions may be taken to the BTA or an authorized district court;
- corporate income, sales, or use tax decisions with an amount asserted of $25,000 or less may be taken to the BTA or district court; and
- corporate income, sales, or use tax decisions with an amount asserted over $25,000 may not be appealed to the BTA and must use the authorized district-court route.
For fuels tax, refunds, or any other tax administered under a statute incorporating these procedures, confirm the exact forum and deadline before filing.
Collection and interest are not the skeleton's generic “Collection Stay”
Idaho Code § 63-3045(c) prohibits assessment of a deficiency and distraint or court collection proceedings until notice has been sent and all appeal rights relating to the deficiency have become final. Idaho Code § 63-3045A identifies when a tax is assessed. These rules should be stated directly; do not insert a contractual stay clause, a cure period, or discretionary “injunctive relief” language.
For a NODD subject to a perfected protest, Idaho Code § 63-3045(7)(a) provides that deficiency interest does not accrue from issuance of the NODD through the Tax Commission's final determination following disposition of the protest. Confirm how interest applies before and after that statutory period.
Property tax is a separate track
County property valuation and exemption appeals generally run from the county board of equalization to the BTA or district court under different statutes and filing requirements. The BTA currently states that a county-board appeal ordinarily must be filed with the county clerk/auditor within 30 days after the board's decision is mailed or pronounced, or after failure to act. Do not use the NODD protest below for that property-tax route.
PART A — PROTEST TO THE IDAHO STATE TAX COMMISSION
BEFORE THE IDAHO STATE TAX COMMISSION
WRITTEN PROTEST AND REQUEST FOR REDETERMINATION
A-1. Taxpayer and Notice Information
| Field | Entry |
|---|---|
| Taxpayer legal name | [____] |
| Mailing address | [____] |
| Tax identification / permit number | [____] |
| NODD number | [____] |
| NODD date / date sent | [__/__/____] |
| Tax type | [____] |
| Tax period(s) | [____] |
| Applicable protest period | ☐ 63 days ☐ 30 days ☐ Other: [____] |
| Protest deadline | [__/__/____] |
| Total deficiency stated | $[____] |
| Amount disputed | $[____] |
| Informal hearing requested? | ☐ Yes ☐ No |
A-2. Statement of Protest and Timeliness
Taxpayer protests the attached Notice of Deficiency Determination, No. [____], sent on [DATE], concerning [TAX TYPE AND PERIODS], and requests redetermination under Idaho Code § 63-3045.
This protest is timely because [IDENTIFY THE CONTROLLING 63-DAY, 30-DAY, OR OTHER PERIOD; THE DATE THE NOTICE WAS SENT; AND THE DEADLINE CALCULATION].
A-3. Required Protest Information
Taxpayer provides the information required to perfect this protest:
- Taxpayer identity and address: [____].
- Tax identification number: [____].
- Tax periods: [____].
- Specific items disputed: [IDENTIFY EACH AUDIT OR DEFICIENCY ITEM].
- Factual or legal basis: [SUMMARIZE EACH OBJECTION; DETAILS FOLLOW BELOW].
The amounts at issue are:
| Component | Tax Commission amount | Taxpayer amount | Amount disputed |
|---|---|---|---|
| Tax | $[____] | $[____] | $[____] |
| Penalty | $[____] | $[____] | $[____] |
| Interest through NODD date | $[____] | $[____] | $[____] |
| Total | $[____] | $[____] | $[____] |
A-4. Specific Objections
Objection 1 — [SHORT TITLE]
- Determination protested: [IDENTIFY THE ADJUSTMENT OR ISSUE].
- Material facts: [STATE FACTS WITH EXHIBIT OR WORKPAPER REFERENCES].
- Taxpayer's position: [STATE THE CORRECT TAX TREATMENT].
- Authority: [CITE CURRENT IDAHO STATUTE, RULE, OR OTHER AUTHORITY].
- Requested correction: [STATE THE AMOUNT AND RESULT].
Objection 2 — [SHORT TITLE]
- Determination protested: [____].
- Material facts: [____].
- Taxpayer's position and authority: [____].
- Requested correction: [____].
Penalty Objection — [IF APPLICABLE]
The disputed penalty should be canceled or reduced because [STATE THE CONTROLLING PENALTY PROVISION AND FACTS SUPPORTING RELIEF].
A-5. Informal Hearing and Requested Action
Taxpayer ☐ requests ☐ does not request an informal hearing as part of the independent administrative redetermination.
Taxpayer requests that the Tax Commission:
- acknowledge this as a perfected protest;
- refer unresolved issues to the Appeals Unit for independent redetermination;
- permit Taxpayer to participate in substantive communications with the originating division as Idaho Code § 63-3045(2)(b) provides;
- cancel or modify the NODD as shown in Taxpayer's computation; and
- issue a written final decision identifying all further appeal rights.
A-6. Exhibits
| Exhibit | Description |
|---|---|
| A | NODD and all schedules |
| B | Schedule of disputed adjustments |
| C | Relevant returns and amended returns |
| D | Audit correspondence and workpapers available to Taxpayer |
| E | Taxpayer's corrected computation |
| F | Contracts, invoices, ledgers, or other supporting records |
| G | Written representative authorization / power of attorney, if applicable |
| [____] | [____] |
A-7. Signature
I declare that the factual statements in this protest and its attachments are true and complete to the best of my knowledge and belief.
| Signature field | Entry |
|---|---|
| Signature | ____________________________________ |
| Printed name | [____] |
| Title / authorized capacity | [____] |
| Address | [____] |
| Telephone / email | [____] |
| Date | [__/__/____] |
Tax Commission Protest Checklist
- ☐ Correct protest period confirmed from the tax type and notice
- ☐ Protest filed within 63 days or the applicable shorter period
- ☐ Name, address, tax identification number, and tax periods supplied
- ☐ Every disputed item specifically identified
- ☐ Factual or legal basis stated for every objection
- ☐ NODD and supporting schedules attached
- ☐ Informal-hearing election stated
- ☐ Representative authorization attached, if needed
- ☐ Proof of timely filing retained
- ☐ Any inadequacy notice answered completely within 28 days
- ☐ Effect of a written request for a final decision under § 63-3045B(3)(a) evaluated before making it
Final-Decision Timing Note
After a perfected protest, the Tax Commission must provide written acknowledgment within 14 days. Under Idaho Code § 63-3045B(3), a final decision must generally be rendered within 180 days after either a qualifying written request for a final decision or conclusion of the hearing when no additional-evidence extension applies. A final decision may be held in abeyance with the taxpayer's prior written approval. If the statutory time limit is missed and the matter is not otherwise resolved, § 63-3045B(5) states that the NODD is null and void from the beginning, with prejudice.
PART B — NOTICE OF APPEAL TO THE IDAHO BOARD OF TAX APPEALS
BEFORE THE IDAHO BOARD OF TAX APPEALS
| Party | Role |
|---|---|
| [TAXPAYER LEGAL NAME], | Appellant |
| v. | BTA Appeal No. [TO BE ASSIGNED] |
| IDAHO STATE TAX COMMISSION, | Respondent |
NOTICE OF APPEAL
Appellant states:
-
Appellant is [FULL LEGAL NAME], with mailing address [ADDRESS] and telephone [____].
-
Appellant's representative, if any, is [NAME, TITLE, ADDRESS, TELEPHONE, AND IDAHO BAR NUMBER IF AN ATTORNEY].
-
The Idaho State Tax Commission issued the attached final decision dated [DATE], which Appellant received on [DATE AND METHOD].
-
This appeal is filed within 91 days after receipt under Idaho Code § 63-3049. The deadline calculation is [____].
-
The appeal concerns [INDIVIDUAL INCOME / CORPORATE INCOME / SALES / USE / FUELS / REFUND / OTHER] tax for [YEARS OR PERIODS].
-
The amount asserted in the Tax Commission's final decision, including tax, penalty, and interest, is $[____].
-
The BTA has jurisdiction because [STATE THE TAX-SPECIFIC AUTHORITY AND, FOR CORPORATE INCOME, SALES, OR USE TAX, CONFIRM THAT THE AMOUNT ASSERTED DOES NOT EXCEED $25,000].
-
Before filing this appeal, Appellant deposited cash equal to 20% of the amount asserted with the Tax Commission or provided other security acceptable to it. The security amount is $[____], and proof is attached as Exhibit B.
B-1. Objections to Final Decision
Objection 1 — [SHORT TITLE]
-
The Tax Commission decided [____].
-
The decision is erroneous because [STATE MATERIAL FACTS AND CURRENT AUTHORITY].
-
The correct result is [____].
Objection 2 — [SHORT TITLE]
-
The Tax Commission decided [____].
-
Appellant objects because [____].
-
Appellant requests [____].
B-2. Amount by Period
| Tax year / period | Tax disputed | Penalty disputed | Interest disputed | Total disputed |
|---|---|---|---|---|
| [____] | $[____] | $[____] | $[____] | $[____] |
| [____] | $[____] | $[____] | $[____] | $[____] |
B-3. Relief Requested
Appellant requests that the BTA, after de novo hearing:
- reverse or modify the Tax Commission's final decision;
- determine the correct tax, penalty, interest, refund, or credit;
- order any refund or other relief authorized by law; and
- grant any further relief within the BTA's authority.
B-4. Attachments
| Exhibit | Description |
|---|---|
| A | Tax Commission's written final decision |
| B | Receipt or documented acknowledgment of the § 63-3049(b) security deposit |
| C | Computation of amount disputed by tax year or period |
| D | Written representative authorization, if applicable |
| [____] | [____] |
B-5. Signature
The undersigned attests that the contents of this notice of appeal are accurate to the best of the undersigned's knowledge.
| Signature field | Entry |
|---|---|
| Signature | ____________________________________ |
| Printed name | [____] |
| Title / representative capacity | [____] |
| Idaho Bar No., if applicable | [____] |
| Address | [____] |
| Telephone / email | [____] |
| Date | [__/__/____] |
BTA Filing Checklist
- ☐ BTA jurisdiction confirmed, including the $25,000 limitation
- ☐ Date of receipt of final Tax Commission decision documented
- ☐ Appeal filed directly with BTA within 91 days after receipt
- ☐ Current BTA form and filing address confirmed
- ☐ Final decision attached
- ☐ Every objection and its basis listed
- ☐ Amount in dispute stated for each year or period
- ☐ 20% cash deposit or acceptable substitute security delivered to Tax Commission before filing
- ☐ Proof of security attached
- ☐ Appeal signed and representative information supplied
- ☐ Filing proof retained under the applicable postmark or delivery rule
PART C — ALTERNATIVE DIRECT DISTRICT-COURT COMPLAINT
IN THE DISTRICT COURT OF THE [____] JUDICIAL DISTRICT
OF THE STATE OF IDAHO, IN AND FOR THE COUNTY OF [ADA / ____]
| Party | Role |
|---|---|
| [TAXPAYER LEGAL NAME], | Plaintiff |
| v. | Case No. [TO BE ASSIGNED] |
| IDAHO STATE TAX COMMISSION, | Defendant |
COMPLAINT FOR REVIEW OF FINAL TAX DECISION
Plaintiff alleges:
-
Plaintiff is [FULL LEGAL NAME, ENTITY TYPE IF APPLICABLE, RESIDENCE, AND PRINCIPAL OFFICE OR PLACE OF BUSINESS].
-
Defendant is the Idaho State Tax Commission.
-
The Tax Commission issued the attached final written decision dated [DATE], denying Plaintiff's protest in whole or in part. Plaintiff received it on [DATE AND METHOD].
-
This complaint is filed within 91 days after receipt under Idaho Code § 63-3049(a). The deadline calculation is [____].
-
Venue is proper in ☐ Ada County ☐ [COUNTY], where Plaintiff resides or has its principal office or place of business.
-
Plaintiff elects direct district-court review and has not filed a BTA appeal of the same final Tax Commission decision.
-
Direct district-court review is ☐ optional ☐ required because the decision concerns corporate income, sales, or use tax and the amount asserted exceeds $25,000.
-
The amount asserted in the final decision is $[____], including tax, penalty, and interest.
-
Before filing, Plaintiff deposited cash equal to 20% of the amount asserted with the Tax Commission or supplied other security acceptable to it. The security amount is $[____], and proof is attached.
Count I — [LEGAL OR COMPUTATIONAL ERROR]
-
The Tax Commission decided [____].
-
The determination is erroneous because [MATERIAL FACTS, COMPUTATION, AND CURRENT AUTHORITY].
-
The correct result is [____].
Count II — [FACTUAL ERROR]
-
The Tax Commission found [____].
-
The evidence establishes [____].
-
Plaintiff requests [____].
Prayer for Relief
WHEREFORE, Plaintiff requests that the Court:
- reverse or modify the Tax Commission's final decision;
- determine the correct tax, penalty, interest, refund, or credit;
- enter any judgment and refund order authorized by Idaho Code § 63-3049; and
- grant any further relief authorized by law.
Signature
| Signature field | Entry |
|---|---|
| Signature | ____________________________________ |
| Printed name | [____] |
| Firm / authorized capacity | [____] |
| Idaho Bar No., if applicable | [____] |
| Address | [____] |
| Telephone / email | [____] |
| Date | [__/__/____] |
Direct District-Court Checklist
- ☐ Final Tax Commission decision and date of receipt documented
- ☐ Complaint filed within 91 days after receipt
- ☐ Correct venue selected: Ada County or taxpayer's qualifying county
- ☐ Direct route selected instead of BTA, or BTA barred by the $25,000 limitation
- ☐ 20% cash deposit or acceptable substitute security supplied before filing
- ☐ Proof of security and final decision attached
- ☐ Summons, service, filing fee, and current Idaho civil rules confirmed
- ☐ Issues, computations, and relief stated with current authority
PART D — AFTER A BTA DECISION
D-1. Reconsideration or Rehearing
Under Idaho Code § 63-3810 and IDAPA 36.01.01.145, a party adversely affected by a BTA final decision may move for reconsideration or rehearing within 10 days after the decision is mailed. The motion must be served on the other parties and supported by a brief making a strong showing of good cause. If additional evidence is requested, explain why it was not presented earlier. A motion is deemed denied if the BTA makes no response within 30 days after receiving it.
D-2. District-Court Appeal from BTA
Idaho Code § 63-3812 provides for an appeal from the BTA to the district court in the affected taxpayer's county of residence or, for property affected by an assessment, the county where the property is located. The appeal is perfected under Idaho Rule of Civil Procedure 84.
Current Rule 84 ordinarily requires a petition within 28 days after the agency action is ripe for judicial review, unless a statute supplies a different time. A timely reconsideration motion restarts the Rule 84 period as the rule provides.
The district court hears issues presented to the BTA without a jury in a trial de novo. The party seeking affirmative relief must prove by a preponderance of the evidence that the BTA decision is erroneous. Idaho Code § 63-3812(d) states that the appeal does not suspend payment of taxes, subject to statutory bond or other rights.
Post-BTA Checklist
- ☐ BTA decision mailing date recorded
- ☐ Ten-day reconsideration / rehearing deadline calculated
- ☐ Motion served with supporting brief, if pursued
- ☐ Thirty-day deemed-denied date tracked
- ☐ Rule 84 ripeness and 28-day petition deadline independently calculated
- ☐ Correct district court selected
- ☐ Petition contents, service, record, transcript, and fees completed under current Rule 84
- ☐ No assumption that the district-court filing suspends tax payment or enforcement
- ☐ Further appeal to the Idaho Supreme Court evaluated after district-court judgment
SOURCES AND REFERENCES
- Idaho Code § 63-3045 — Notice of deficiency, protest, hearing, collection, and interest
- Idaho Code § 63-3045A — Assessment of tax
- Idaho Code § 63-3045B — Final decisions of the Commission
- Idaho Code § 63-3049 — Review, BTA limitation, and security
- Idaho Code § 63-3810 — BTA rehearing
- Idaho Code § 63-3812 — Appeal from BTA
- Idaho State Tax Commission — Your Right to Appeal a Notice of Deficiency Determination
- Idaho Board of Tax Appeals — File an Appeal
- Idaho Board of Tax Appeals — Current STC Notice of Appeal Form
- IDAPA 36.01.01 — Idaho Board of Tax Appeals Rules
- Idaho Rule of Civil Procedure 84 — Judicial review of agency actions
About This Template
Tax law covers the paperwork that documents income, deductions, disputes, and settlements with the IRS and state tax authorities. Protests, offers in compromise, installment agreement requests, and appeals each have their own forms, supporting documentation, and strict deadlines. Well-prepared tax correspondence is often the difference between a negotiated resolution and an enforcement action with levies, liens, or penalties.
Important Notice
This template is provided for informational purposes. It is not legal advice. We recommend having an attorney review any legal document before signing, especially for high-value or complex matters.
Last updated: July 2026
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