Develop the work issues, make a Substantial Gainful Activity (SGA) determination,
            following the instructions in Meaning of SGA and Scope of Subchapter - DI 10501.001 through DI 10501.025 using the SGA Earnings Guidelines for blind individuals, and forward the case to
            the Disability Determination Services (DDS) for a statutory blindness determination.
         
         If the DDS finds that the individual is not statutorily blind, but does have a disabling
            impairment, reevaluate the work activity under the SGA earnings guidelines for non-blind
            persons.
         
         When the case is returned to the Field Office (FO) with the DDS blindness and/or disability
            determination, follow procedures in Work Comparability Provisions for Blind DIB Individuals
            Age 55 and Older - DI 11010.175 for processing and routing. See Overview - DI
               
               26010.001 through DI 26010.070 for DDS entries on SSA 831 (Disability Determination Form and Transmittal) involving
            statutory blindness.