(CNN) President Donald Trump's real estate business reported different financial figures for two of his Manhattan properties to lenders than to New York tax authorities, according to documents obtained by ProPublica.

The different sets of numbers on expenses, profits and occupancy figures resulted in the two buildings appearing more lucrative to lenders and less so to city officials assessing property taxes, ProPublica found in an investigation published Wednesday. ProPublica obtained the property tax documents through the state of New York's Freedom of Information Act law and loan records after Trump's lender sold the debt on the properties, making them public.

The Trump Organization did not respond to questions from ProPublica or CNN.

ProPublica had reviewed the documents for four Trump properties, finding discrepancies involving two of them -- 40 Wall Street and the Trump International Hotel and Tower.

Trump has not publicly released his tax returns, claiming that he's barred from doing so because he's under IRS audit. Being under IRS audit does not prevent someone from making their tax returns public.

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