N.Y. Comp. Codes R. & Regs. tit. 11, § 44.5
(b) Single premium contracts.
(1) Under a single premium contract, a market-value adjustment formula may be based on:
(2) Alternatively, a market-value adjustment formula for a single premium contract may be based on:
(3) Under a market-value adjustment formula described in paragraph (1) or (2) of this subdivision:
(c) Flexible premium contracts.
(6) At its option, where there is a common guaranteed benefit date for all premiums remitted, the company may base a market-value adjustment on a blended interest rate based on the weighted average of the interest rates associated with premiums previously credited as an approximation for adjustments based on each such interest rate. (See example 4[ii] in section 44.10[b][1] of this Part.)
(d)
(a)