20 CFR § 404.1614 - Responsibilities for obtaining evidence to make disability determinations.
(a) We or the State agency will secure from the claimant or other sources any evidence the State agency needs to make a disability determination. When we secure the evidence, we will furnish it to the State agency for use in making the disability determination.
(1) For making disability determinations in those classes of cases described in the written guidelines for which the State agency does not make the determination; or
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