The full text says "relevant country's regulatory bodies and authorities".
"Examples: Donation solicitations from parties without a valid 501(c)(3) tax exempt status clearly displayed to the public; solicitations from parties without valid proof of exempt tax status or proof of registration with the relevant country's regulatory bodies and authorities; and political organizations that have registered with the Federal Election Commission (FEC)."
Since those are examples I hope this also covers tax-exempt charities in other jurisdictions.
I switched to the german site and it still only refers to american laws.