I normally use "assert" "The fact that we do not at any given time assert any one of the general sales conditions may not be interpreted as a waiver to assert such condition it at a later time."



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Note added at 6 mins (2012-01-10 18:10:07 GMT)
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Sorry about the sloppy translation, I was rushing: "The fact that at any given time we do not assert any one of the general sales conditions may not be interpreted as a waiver to assert such condition at a later time."

French term (edited): prevaloir

I find this is often a good solution with this kind of construction.

assert rather means "faire valoir"
so, "The fact that at any given time we do not take advantage of...

Hello,

I agreed with Tony for the general meaning, but I thought I would propose a translation for how it should be worded (considering the phrase "Le fait que..." as a whole).

It's the subjunctive tense that is often used after "le fait que..." (i.e., "prevalions" here).

The "we" is carried over by "on our part" (not sure it is even necesssary if it is clearly implied in the context).



I hope this helps.

In my experience, it is more common to speak of exercising a right or ommission to do so than of invoking a right, particularly in contractual legal lingo.

avail ourselves of any of the terms and conditions of sale