When the first member's disability is allowed, and this member can be paid as an eligible
                  individual with an ineligible spouse, conduct the PERC and have both members sign
                  the PERC document. At this point, the claim for the remaining spouse is a simultaneous
                  development claim. If the medical allowance for the remaining spouse is received more
                  than 120 days after the PERC, do another PERC. Only the remaining member's signature
                  is required.