How Can we Host without running into a verification code

I am a member of a group (12 Step Group ) that has different people running different meetings on the same accounts . We recently have had ) trouble signing in when we had to produce a verification code , which was sent to the email of the person associated with the sign in code . One account went to our chair , and the other one to the secretary . So every time a new person wants to log onto the shared account to host a meeting , or a familiar person is using a different device (I personally can use 3 different devices to log on :iPad , phone , and computer  ) or if you had not signed in on a a specific device for a certain time (?) it would send you a message to type in a verification code (which of course would be sent to the chair or secretary . Most of our members do not want to be bothering either the Chair or secretary to get into the meeting . one or more to get into the