"[a]ny claim for adjustment under this provision may, at Honeywell's option, be deemed to be waived unless asserted in writing (including the amount of the claim) and delivered to Honeywell within 30 days from the date of the receipt by Supplier of the Honeywell-directed change to the Purchase Order."
"If, as appears to be generally accepted, there is no rational basis upon which businessmen would be likely to wish to have questions of the validity or enforceability of the contract decided by one tribunal and questions about its performance by another, one would need to find very clear language before deciding that they must have had such an intention."