Ad hoc, Tap, Pure-Auction??

CFA Level I
#1

Anyone know the differences, or where to find them in the Schweser?

#2

ad hoc, central gov auction new security when maket is deem advangageous tap, issue and auction bond that is identical to previous issue bond. for more check under fix income of the text.

#3

So the one we should put is ad hoc ? The answer to those stuff on 7th June

#4

ad hoc method is when govt sells securities when the atmosphere is beneficial. selling bonds from an existing portfolio would happen on the secondary market.