Assessment Structure

In order to fairly calculate each participating member’s assessment share of the program, two factors are taken into consideration:

  1. Deposit Requirement based on:
    a) The member’s actuarial determined net liabilities valued at year end (December 31), or
    b) As determined by OSIP

The member’s credit risk as determined by Moody’s, Standard and Poor’s, and/or Fitch credit rating – based on a 16-level credit index from B3/B- to Aaa/AAA.

Credit Level Tiers
Credit IndexMoody’sS&PFitch
2 Aa1 AA+ AA+
3 Aa2 AA AA
4 Aa3 AA- AA-
5 A1 A+ A+
6 A2 A A
7 A3 A- A-
8 Baa1 BBB+ BBB+
9 Baa2 BBB BBB
10 Baa3 BBB- BBB-
11 Ba1 BB+ BB+
12 Ba2 BB BB
13 Ba3 BB- BB-
14 B1 B+ B+
15 B2 B B
16 B3 B- B-