The purpose of this subchapter is to recognize and permit the use of mortality tables that reflect differences in mortality between preferred and standard lives in determining minimum reserve liabilities in accordance with Insurance Code §425.058(c)(3) and §3.4505 of this title (relating to General Calculation Requirements for Basic Reserves and Premium Deficiency Reserves). Policies issued on or after January 1, 2017, must follow the applicable mortality table requirements provided by the valuation manual adopted under Insurance Code Chapter 425, Subchapter B.