Ask the Rabbi

STAR-K CERTIFICATIONrealizes that there is no substitute for a person's own Rav. However, in today's busy and connected world many people have difficulty getting in touch with their Rabbanim when they are needed. In an effort to offer a solution to this challenge, STAR-K launched its Institute of Halachah as a public service. Over the years, the agency's Kashrus Hotline has answered more and more halachic questions beyond the scope of Kashrus information, from consumers the world over, beyond the standard steady stream of inquiries regarding the kosher status of foods and certified Sabbath mode appliances which has made the STAR-K Kosher Hotline famous. The formation of a separate official division within STAR-K testifies to the need for addressing these issues.

The Institute of Halachah is directed by HaRav Mordechai Frankel, under the guidance of HaRav Moshe Heinemann, STAR-K's Rabbinic Administrator. It is an invaluable resource for a diverse array of rabbis to discuss general halachic matters, as well as gain access to source materials for shiurim and answers to congregants' questions.

Shailos may emailed using the form below, or called into the Institute of Halacha at 410-484-4110 x238. Rabbi Frankel or on occasion another STAR-K Rabbi will respond to your email or return your call if you leave a message and phone number.
Previously Asked Questions
Comments or questions regarding these answers can be emailed to Only generic questions and answers are posted here. All sensitive questions and answers are kept strictly private.
  • Halacha Questions

  • I know that when putting on shoes, we do the right first. Does this apply for everything? My daughter has a teacher who said that whatever a person does, he should start with the right. For example, when putting in eye drops one should start with the right eye. Also, when getting dressed and undressed and when taking a shower, does one always have to start at the top?
  • Halacha Questions

  • I have a fence around my property. There is an opening in the fence (for a driveway) which has doors on it. The opening is bigger than 10 amos. Can I carry in the fence since it is possible to close the doors, or do they have to actually be closed in order to carry?
  • Halacha Questions

  • I am going to be seeing a Jewish clinician. I may do a few treatments a week. Can I pay at the end of each week, or do I need to pay after each session?
  • Halacha Questions

  • What shinui can be done in order to use a lancet device that squeeze out some blood to check blood sugar levels on Shabbos and Yom Tov? What shinui can be done to give an insulin (or other) injection on Shabbos and Yom Tov?
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