Are Cheat Sheets Allowed at Work?

I have not worked in almost 30 years and am preparing to return to work as a bookkeeper, the old fashioned way. I have completed the accounting principles course with a high score,my question is are cheat sheets acceptable to use at work?

WorkSafe Premuim Refund

What account do you post a WorkSafe premium refund? Is it to Misc Income or the WorkSafe Expense code?