What is the deadline for obtaining letters for opening bank accounts for Hajj-related purposes?

What is the deadline for obtaining letters for opening bank accounts for Hajj-related purposes?

حج سے متعلقہ مقاصد کے لیے بینک اکاؤنٹس کھولنے کے لیے خطوط حاصل کرنے کی آخری تاریخ کیا ہے؟
Explanation

The deadline for obtaining letters for opening bank accounts is 15th Rajab, facilitating financial transactions for Hajj arrangements.