Section V: What is due Upon Omitting a Wajib Act

Firstly: Making up for the missed wajib acts when possible
Wajib acts are not cancelled by forgetfulness, ignorance, or coercion whenever they can still be made up.

Secondly: Expiation for omission of a wajib act
Omitting a wajib act necessitates blood. This is by agreement of the four schools of jurisprudence.