Purity: Permitted and Prohibited Acts Before Ghusl for Touching a Corpse
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 520:
There is no problem for someone who has touched a corpse but has not performed the ghusl for touching a corpse to stay in a mosque, have sexual intercourse with his wife, or recite verses of the Qur’an that contain an obligatory sajdah.[1] However, for prayers and suchlike, he must perform ghusl.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)
1
These verses are mentioned in the fifth part of the list mentioned in Ruling 354.