20 C.F.R. § 416.998 If you become disabled by another impairment(s).
Title 20 - Employees' Benefits
If a new severe impairment(s) begins in or before the month in which your last impairment(s) ends, we will find that your disability is continuing. The new impairment(s) need not be expected to last 12 months or to result in death, but it must be severe enough to keep you from doing substantial gainful activity, or severe enough so that you are still disabled under §416.994, or, if you are a child, to result in marked and severe functional limitations. [62 FR 6432, Feb. 11, 1997]
Title 20: Employees' Benefits
PART 416—SUPPLEMENTAL SECURITY INCOME FOR THE AGED, BLIND, AND DISABLED
Subpart I—Determining Disability and Blindness
Continuing or Stopping Disability or Blindness
§ 416.998 If you become disabled by another impairment(s).