N.Y. Comp. Codes R. & Regs. tit. 11, § 360.7
(a) Continuation of benefits coverage is to be provided pursuant to the requirements of sections 3221, 4304 and 4305 of the Insurance Law.
(5) For purposes of the notification described in paragraph (4) of this subdivision, such notification to an individual who is the employee or a spouse of the employee or member shall be treated as notification to all other eligible dependents residing with such spouse at the time such notice is given.
(c) Election.
(2) Such request for continuation of coverage for eligible dependents who are not the spouse of the employee or member may be made within such time period described in paragraph (1) of this subdivision by the employee or member or the spouse of the employee or member on such eligible dependents' behalf.
(d) Existing coverage.
(b) Notice requirements applicable to continuation of benefits.