terms and conditions for this purpose

[Lawdaughter]

Пожалуйста, помогите перевести terms and conditions for this purpose

Выражение встречается в следующем контексте:
We would be pleased to provide you with further information about the method that you respectively your bank prefer, in case you confirm in writing to xxxx that you are basically prepared to issue a guarantee to the amount of 30% of the grand total, Please let us know your terms and conditions for this purpose and let us know which of the both methods you, respectively your bank prefer.

Заранее спасибо

[v3p1s4]

Б.Н. Климзо, "Ремесло технического переводчика" (изд. 2, стр. 298), рекомендует переводить эту пару (terms and conditions), как "постановления и условия".