Perfect! You're absolutely correct.
It really doesn't matter if you receive compensation for your work as an SGE or whether you waive that compensation.
The ethics officials in your agency need to determine if there are any ethics issues that arise from your financial interests. In order to do that, they need the information that you provide on your financial disclosure form (which is why it's vital to fill out the form completely and accurately).
Nicely done.
Now, let's examine the area of "conflict of interest."