Is the biometric data used in voter identification at polling stations?

Penjalanan Pilihan Raya (Conduct of Elections)

What documents must be brought tocast a vote?

Documents required are either MyIdentity Card or Passport Card whether KPT or blue plastic identity card. Ifthe loss of identity cards, voters can also submit receipts or receipts JPN.KP9 JPN.KP11 authorized by the National Registration Department. Other documentsacceptable as proof of identity are: Malaysia Restricted Passport, passport,photo driving license, Official Identification Card issued by any governmentauthority bearing the name, identity card number and picture holder.

Source:http://www.spr.gov.my/index.php/soalan-lazim/perjalanan-pilihan-raya