A memorandum on the death penalty will be submitted to the cabinet for consideration once a thorough study on plans to abolish it is completed.
De facto law minister Liew Vui Keong said the study is being carried out by the Attorney-General's Chambers.
He said this in a written reply to Ramkarpal Singh (Harapan-Bukit Gelugor) on the matter.
Abolishing mandatory death penalty by hanging is part of Harapan's election manifesto.
Last year the previous BN government had abolished the mandatory death sentence under the Dangerous Drugs Act 1952.
The amendment grants the judges discretion to pass life sentences if the accused helped authorities to disrupt other drug operations.