Norwegian to English Bus/Financial Accounting

The context is a public entity's pension plan and does not involve a for-profit firm.

I see translations to both "provision(s)" and "reserve(s)", plus some authorities claiming a distinction between the two. Before this, I would have simply used "reserve(s)". Note that I also see references to "reserver" in annual reports from entities involved in insurance and pensions in Norway.

As a result, this non-accountant is now befuddled and needs expert assistance, please. My client is U.S.-based, so an American perspective is best, but not essential if you can demonstrate acceptance of your suggestion in the U.S.