Does the instruction prohibiting the trimming of hair and clipping of nails from 1 Dhu al-Hijjah up to the slaughtering of the sacrificial animals apply exclusively to pilgrims (hujjaj) or to everyone who intends to sacrifice an animal?

Someone asked [Hazrat Amirul Momineen, Khalifatul Masih V^aa] whether the instruction prohibiting the trimming of hair and clipping of nails from 1 Dhul-Hijjah up to the slaughtering of the sacrificial animals applied exclusively to pilgrims [hujjaj] or also to everyone who intended to sacrifice [an animal]. He also asked what the ruling was for people of a certain area who found out late about the appearance of the moon of Dhul-Hijjah. 

Huzoor^aa, in a letter dated 11 August 2020, gave the following guidance:

“What we learn from ahadith is that this rule is for everyone who offers sacrifice. Hence, Hazrat Umm Salama^ra narrates that the Holy Prophet^sa said:

“‘Anyone who desires to sacrifice [on Eid al-Adha] should not get his hair cut or nails trimmed after observing the new moon of Dhul-Hijjah until [the sacrificial animal] has been sacrificed.’ (Sahih Muslim, Kitab al-Adahi) […]”