Servicing a pass$-$through security refers to

a$)$ an Fl processing of all payments.

b$)$ an FI provision of clearing services to set up the pass$-$through.

c$)$ broker$/$dealer services provided by the Fl to the ultimate holders of the pass$-$through.

d$)$ guarantee by the Fl of all principal and interest payments.

e$)$ an FI provision of liquidity services to the ultimate holders of the pass$-$through.