You can put it back in the fridge, but it is not a good idea to continually take it out and put it back in.
Also, diabetes is not covered by the ADA, so no reasonable accomadation is required. This was decided by the Supreme Court years ago.
The most effective way to set your basal rate is to fast, as other people have commented. If you are exercising excessively then you need to check if you need to change your basal rate to avoid lows. Don’t you fast for blood tests??
Your A1C is a measure only of your average BG. It is a less than perfect measure of diabetes management. A better measure is time in range (between 180 and 75). If you are using a cgm the software calculates this statistic.
T1 diag. 1964
Pumper 25 years