Should I expect WHT on STRC stock?

So, as an EU investors if I hold STRC stock, should I expect withholding taxes to be held by the broker? Supposedly the company classifies the payments as "return on capital" which is technically a return of your own money. So the payments are made as tax deferred dividends. Anyone had any experience with these? I think brokers don't need to keep WHT, but if they do it could be nearly impossible to claim back from the IRS. So are there any brokers that will pay STRC dividends to European taxes w