Equally, claims for the principal will only be sustainable where the principal has in fact been irrevocably paid out and where the beneficiary of the bond had no factual basis to make a call upon the bond.
同样，就本金提出的索赔只有在本金已无可挽回地付讫而且保证书的受益人失去收兑的事实根据的情况下才能予以认可。