[י' ניסן, ה'תשל"ג]
שלום וברכה!
באם
יש לו יפוי כח מהמדוברת תי' לשאול - המענה: יה"ר שיהא השידוך בשטומו"צ. אזכיר עה"צ.
B"H, 10 Nissan, 5733.
Shalom u'Vrachah!
If he has authorization from the woman in question to inquire—the answer: It should be that the shidduch will be in a good and complete manner. I will mention it at the Tziyun.
Summary
The Rebbe writes that with proper authorization, one may inquire about a shidduch for someone else, and gives a blessing for its success.