How do I handle gray areas in tax law?

You can research most issues now, so trust that foundation. The gray areas feel different because they are different. When the authorities conflict, there is no clean answer waiting to be found. There is only a defensible judgment you have to build and stand behind. That shift is uncomfortable, but it is also where you stop being a lookup machine and start being a real adviser. The goal is no longer to find the rule. It is to weigh competing rules, pick the stronger position, and be able to explain why you chose it. Next time you hit conflicting authorities, write down the two positions and one honest sentence on why one is stronger. Then take it to someone more senior and compare. You are training your judgment, not your memory. Do that a hundred times and the gray areas stop feeling like a trap and start feeling like your job.