Sources

The official Singapore pages behind the rules used in our calculators. Last checked 21 June 2026.

Primary official sources

• MoneySense (MAS) — national financial education programme
• CPF Board — CPF LIFE monthly payouts
• CPF Board — Retirement sums (BRS / FRS / ERS)
• CPF Board — How much CPF contributions to pay
• IRAS — SRS contributions and tax relief
• IRAS — Tax on SRS withdrawals
• IRAS — Individual income tax rates
• HDB — Housing Loan from HDB
• MAS — MSR and TDSR rules
• MAS — Total Debt Servicing Ratio for property loans
• IRAS — Buyer's Stamp Duty (BSD)
• IRAS — Additional Buyer's Stamp Duty (ABSD)
• IRAS — Seller's Stamp Duty (SSD) for Residential Property
• IRAS — Stamp Duty for Property
• LTA OneMotoring — Additional Registration Fee (ARF)
• LTA OneMotoring — Vehicle Tax Structure
• LTA OneMotoring — PARF & COE Rebate
• LTA OneMotoring — Vehicle Emission Schemes
• MAS — Motor vehicle loans

Links open the relevant official pages (IRAS, CPF Board, HDB, MAS, LTA/OneMotoring, MoneySense). PlanLiaoMah is not affiliated with these agencies. Each guide page also lists the specific sources for its figures.