An Auckland man has been sentenced to 11 months in prison after being convicted of extensive tax fraud that caused a loss of more than NZ$500,000 to the Inland Revenue Department. The Serious Tax Evasion Team pursued the case after uncovering a pattern of deliberate under‑reporting of income from several business ventures and the submission of false invoices to conceal illicit profits. Over a three‑year period the defendant, who operated a small construction firm, fabricated expense claims and filed falsified tax returns, resulting in a tax shortfall of approximately NZ$520,000. During sentencing, the judge emphasized the premeditated nature of the offences, the erosion of public trust in the tax system, and the necessity of a custodial penalty to deter similar conduct. The court also ordered full restitution to the IRD, including interest and penalties, and imposed a post‑release supervision order. This judgment reaffirms the IRD’s commitment to prosecuting serious tax evasion and underscores that deliberate fraud carries significant legal and financial consequences. The case forms part of a broader crackdown on tax fraud, highlighting the agency’s use of forensic accounting and detailed audits to detect and dismantle fraudulent schemes. It serves as a stark warning to anyone considering tax fraud that the penalties include imprisonment, substantial financial penalties, and long‑term scrutiny.