The board at its first meeting in each calendar year or as soon thereafter as may be practicable shall adopt and specify actuarial assumptions for the system, which assumptions shall become part of the terms of this system.
W. Va. Code § 51-9-3a
Specification of actuarial assumptions
Official source: West Virginia Legislature. Reproduced from public-domain West Virginia statutes; confirm against the official source for the current text. Not legal advice.