Or, given the sentence, "the application procedures for the VAT applicable to the tendered prices".

Given the sentence: He (the submitter) will state the way in which VAT is applied to the submitted prices

French term (edited): les modalités d’application de la T.V.A

"Le soumissionnaire précise si les prix remis sont soumis à l’application de la T.V.A belge : oui/non. Dans la négative, il précise les modalités d’application de la T.V.A applicable aux prix soumissionnés."
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"The tenderer specifies whether the prices are subject to the application of Belgian V.A.T.: yes/no. If not, it specifies the terms for applying the V.A.T. applicable to the tendered prices."

Actually I did the official translation of the Belgium and Luxembourg VAT laws into English for the EU and I remember that this is the term they use officially.

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Note added at 3 hrs (2009-11-18 01:17:46 GMT)
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I tried to find the translation of said VAT laws on the internet to provide a reference, but they don't seem to have been posted yet. We just finished translating them in May and it takes a while.

French seems rather repetitive but to me, it seems unnecessary to translate the repetition of applicable

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Note added at 2 days10 hrs (2009-11-20 08:13:00 GMT)
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Of course, I still do not fully understand the whole context of the use of this term in Belgium.