You can write a cheque to:

Singapore Democratic Party

and mail it to:

3 Ang Mo Kio Street 62, #02-30
Link@AMK
Singapore 569139

Note: By donating, we understand that you are either a Singapore citizen (aged 21 and above) or a Singapore-controlled company.
Furthermore, if you are donating more than SGD 10,000 within a calendar year, the law requires us to obtain your personal
particulars, including your NRIC number.

Thank you for your donation.