(a)__Had 10 years of creditable service on July 1, 1993, the amount of the segment or segments must be reduced as provided in section 17852, subsection 3, paragraphs A and B; or

(b)__Had fewer than 10 years of creditable service on July 1, 1993, the amount of the segment or segments must be reduced as provided in section 17852, subsection 3-A; and

(2)__The segment that reflects creditable service earned after June 30, 1998 for employees identified in subsection 1, paragraphs A to H and after December 31, 1999 for employees identified in subsection 1, paragraphs I to K or purchased by repayment of an earlier refund of accumulated contributions for service after June 30, 1998 for employees identified in subsection 1, paragraphs A to H and after December 31, 1999 for employees identified in subsection 1, paragraphs I to K in any one or a combination of the capacities specified in subsection 1, or purchased by other than the repayment of a refund and eligibility to make the purchase of the service credit, including, but not limited to, service credit for military service, was achieved after June 30, 1998 for employees identified in subsection 1, paragraphs A to H and after December 31, 1999 for employees identified in subsection 1, paragraphs I to K, must be computed under section 17852, subsection 1, paragraph A.__If the member is qualified under subsection 2, paragraph B and:

(a)__Had 10 years of creditable service on July 1, 1993, the segment amount must be reduced in the manner provided in section 17852, subsection 3, paragraphs A and B for each year that the member's age precedes 55 years of age; or

(b)__Had fewer than 10 years of creditable service on July 1, 1993, the segment amount must be reduced by 6% for each year that the member's age precedes 55 years of age.