Please take notice that the goods: ______________________ furnished by you to me under our contract entered into by and between us at ________ on __________, 20 _ are defective in the following respects: ____________ and that I intend to assert all my legal rights in the premises.
Moreover, I am being sued by ________________________ for breach of warranty for which you are answerable over to me. Please take notice, therefore, that you are to come in and defend said action: otherwise in any proceedings by me against you any determination of fact common to the two litigation's will be binding upon you.