It does because if the interest doesn't arise in the UK then section 874 is not in point whether or not the creditor is in the UK or abroad.
King_Maker wrote:Same with paying rent to a non-resident landlord.
No. If, for example, the rent was from a property outside the UK then there would not be any obligation to withhold. With rent or interest withholding obligations the key point is whether or not it arises in the UK.