It's 'only' for applicants of CHC-Islamabad/London AND for those 'other' CHC's cases 'if they r currently residing in Pakistan'. The rationale being their inability to 'ship' their pps overseas from there.
If u r a CHC-London 'direct' case from the UAE -- it doesn't apply to u. Similarly, if u were an Isb/Lon transferee case, but currently reside in the UAE; and have 'updated' ur 'this status' with ur VO -- u'd've a 'direct PPR' as well.
Qorax
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Ps.: Pardon me, wouldn't replacing with 'Pakistanis' in the thread title be better?