 How long prior to the date of notification of the change in law will the Borrower be required to compensate a Lender for the increased costs or reductions?
Failure or delay on the part of any Lender to demand compensation pursuant to this Section  2.13 shall not constitute a waiver of such Lender’s right to demand such compensation; provided that the Borrower shall not be required to compensate a Lender pursuant to this Section  2.13 for any increased costs or reductions incurred more than six months prior to the date that such Lender notifies the Borrower of the Change in Law giving rise to such increased costs or reductions and of such Lender’s intention to claim compensation therefor; provided , further , that, if the Change in Law giving rise to such increased costs or reductions is retroactive, then the six-month period referred to above shall be extended to include the period of retroactive effect thereof.
more than six months