$300 per return, regardless of filing status.

Sounds like you're testing out TY2020 for the new above-the-line deduction.  If so, the CARES Act only allows $300 per filing unit regardless of filing status.

It appears you have not take you CE course on updates yet. This may help  What You Need to Know About Your 2020 Taxes

Interestingly, they must interpret "married" as one filing unit, regardless if they file jointly or separately.  The draft instructions say it is limited to $150 of MFS.

Thanks for the help!!

Thank you!!