Former finance minister Daim Zainuddin’s wife has turned to the courts to quash the authorities’ assessment that she owed over RM313 million to the taxman.

In her judicial review leave application, Na’imah Abdul Khalid claimed that the Inland Revenue Board’s (IRB) assessment for the year 2018 was erroneous and baseless via the addition of RM700 million in alleged undeclared income.

The applicant claimed that the respondent’s assessment notice dated Aug 13...