MAS Clarifies Loan-to-Value and Total Debt Servicing Ratio Rules for Residential Mortgages and Mortgage Equity Withdrawal Loans Singapore, 7 April 2020... In response to public and media queries, the Monetary Authority of Singapore (MAS) has clarified the application of the loan-to-value (LTV) limits and total debt servicing ratio (TDSR) for residential mortgages and mortgage equity withdrawal loans...