The World Federation One Stop Fiqh

Ritual 354

If a pilgrim deliberately fails to do taqseer, and subsequently wears ihram for Hajj, his Umrah is invalidated. Evidently, his Hajj changes to Ifraad. He must perform Umrat-ul-Mufradah later. He should, as a matter of precaution, repeat the Hajj in the following year.