Restaurateur Zai Jian Liang, who runs Tasty Zone Restaurant in East Tamaki, filed 113 incorrect tax returns between 2009 and last year.
An Inland Revenue investigation found Liang and his wife Guan Hong Liang failed to declare more than $1 million in cash sales and about $500,000 in PAYE.
The couple also fraudulently claimed $30,000 in Working for Families tax credits.
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