Sunan an-Nasa'i 5231
سنن النسائي#5231SahihIt was narrated from Ibn 'Umar that :The Prophet [SAW] forbade Al-Qaza' (shaving part of the head and leaving part)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiHasan
In-book reference: 48:192