Section 404.363 - When is a stepchild dependent?If you are the insured's stepchild, as defined in § 404.357 , we consider you dependent on him or her if you were receiving at least one-half of your support from him or her at one of these times-
(b) When the insured died; or(c) If the insured had a period of disability that lasted until his or her death or entitlement to disability or old-age benefits, at the beginning of the period of disability or at the time the insured became entitled to benefits.44 FR 34481, June 15, 1979, as amended at 75 FR 52621, Aug. 27, 2010