the last day of the month which is twelve months following the determination or renewal of eligibility for such assistance
.
Secretary of the United States department of health and human services; for purposes of this subparagraph, the term dependent child means a person who is under eighteen years of age, or is eighteen years of age and a full-time student, who is deprived of parental support or care by reason of the death, continued absence, or physical or mental incapacity of a parent, or by reason of the unemployment of the parent, as defined by the department of health.
that does not exceed one hundred thirty-eight percent of the federal poverty line for the applicable family size, which shall be calculated in accordance with guidance issued by the United States secretary for health and human services and with other applicable provisions of this section;
N.Y. Soc. Serv. Law § 366