; and (ii) subject to the availability of appropriations, require completion of a new stock assessment, or an update of the most recent stock assessment— (I) every 5 years; or (II) within such other time period specified and justified by the Secretary in the plan; (B) for each stock of fish for which a stock assessment has not previously been conducted— (i) establish a schedule for conducting an initial stock assessment that is reasonable given the biology and characteristics of the stock; and (ii) subject to the availability of appropriations, require completion of the initial stock assessment within 3 years after the plan is published in the Federal Register unless another time period is specified and justified by the Secretary in the plan