Class A-R Certificate The Certificate executed by the Trustee and authenticated by the Trustee or the Authenticating Agent in substantially the form set forth in Exhibit A-R and Exhibit C hereto.
Class SB Certificate Any one of the Certificates designated as a Class SB Certificate. Class X Certificate: Any one of the Certificates designated as a Class X Certificate.
Class J Certificate means any one of the Certificates with a "Class J" designation on the face thereof, substantially in the form of Exhibit A-4 attached hereto, and evidencing a portion of a class of "regular interests" in REMIC III for purposes of the REMIC Provisions.
Class K Certificate means any of the Certificates with a "Class K" designation on the face thereof, substantially in the form of Exhibit A-4 attached hereto, and evidencing a portion of a class of "regular interests" in REMIC III for purposes of the REMIC Provisions.
Class A-AB Certificate Any one of the Certificates executed and authenticated by the Certificate Administrator or the Authenticating Agent in substantially the form set forth in Exhibit A-5 hereto.