The+clause+arbitral+(agreed+between+le+parts+in+a+contract+of+contract+written+and+regularly signed)+not+can+be considered to be+to come+less+for+via+a+missiva+sent+ +from+a+contractor+not+to its+counterpart+contractual,+but+to the+subject+to which it was+it was+entrusted+the+direction+of the+works+and+that in the+said+clause+came+nomination+referee.