Purity: Camphorating a Person Who Dies in Ihram

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 576:

If someone dies while in the state of iḥrām for ʿumrah or hajj, it is not permitted to camphorate his body except in the case mentioned in Ruling 541.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)