Is there any guidance in the ISO 9000 series (or parallel) standards that will answer if there is an agreed to primary language? e.g. English.

I thought that I read somewhere that the use of the English language was addressed for ISO 9000 purposes.

I realize that 8402 has Russian and French, but, are considered primary languages in teh documentation processes?

Thanks.

For as far as I know you can use any language you want, as long as the people who are going to execute it understand it. is it not????

There is no language requirement that I am aware of.