21 February 2012
IRAS has issued guidelines on what to look out for and the steps to verify the authenticity of stamp duty certificates.
For documents stamped by a third party (e.g. lawyers or agents), an online check can be made on the authenticity of the stamp certificate given. Samples of stamp certificates are also available.
More details can be found here.
Source: This article was extracted from the Inland Revenue Authority of Singapore (IRAS) website.