off-the-books benefits, off the record interviews

 

Donald Trump’s Company Gets Maximum Punishment for Evading Taxes

The Trump Organization must pay $1.6 million for giving executive off-the-books benefits and pay.

off the record

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If someone says something off the record, they do not want it to be publicly reported:

She made it clear that her comments were strictly off the record.

off the books

idiom

 

in a way that is not officially written down in a person's or company's financial records:

These workers are getting paid in cash off the books.

Is he cheating the welfare and tax systems by earning money "off the books"?