Question 27: Some Muslims perform ‘Umrah (lesser pilgrimage) in Shawwaal, and then go to Al-Madeenah for a visit. After this, they perform Ifrad Hajj (performing Hajj only) without offering a Hady (sacrificial animal offered by pilgrims).
Answer: It is obligatory on everyone who performs ‘Umrah in Shawwaal, Dul-Qa‘dah, or the first ten days of Dul-Hijjah and then enters Ihram (ritual state for Hajj and ‘Umrah) to perform Ifrad Hajj (performing Hajj only), whether from the Miqat (site for entering the ritual state for Hajj and ‘Umrah) for Al-Madeenah or any other place, or from Makkah, to offer a Hady for Tamattu‘ Hajj (`Umrah during the months of Hajj followed by Hajj in the same year with a break in between). The Hady should either be one sheep or goat, or one-seventh of a camel or a cow, which fulfills the conditions for an Ud-hiyah (sacrificial animal offered by non-pilgrims). This is because they are under the ruling of Tamattu‘ Hajj. Allaah (Glorified be He) says: Then if you are in safety and whosoever performs the ‘Umrah in the months of Hajj, before (performing) the Hajj, (i.e. Hajj-at-Tamattu‘ and Al-Qiraan), he must slaughter a Hady such as he can afford... read more here.