Taiwan's Financial Supervisory Commission announced a series of steps Monday intended to curb soaring home prices.

The island's banks will now have to give the regulator information about loan-to-value ratios and the rates they charge on mortgages, as well as setting aside more capital tied to the concentrations in their real estate credits and loan-to-value and debt-to-income ratios.

Taiwan's house prices have soared since 2003. In Taipei, the capital, house prices have at least doubled, according to Fitch Inc., which has said the island's houses are overvalued.

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