Answer:
Indenture; convertibility provision
Step-by-step explanation:
Indenture refers to a legal contract that bounds the bondholder and the issuer. This contract specifies important features of the bond like its type (convertible or callable), maturity date, interest payment time and rate. In other words, it includes all the terms and conditions related to the issue of bond.
One of the types of bonds is convertible bonds. Due to the provision of convertibility, these bonds can be converted to a stipulated number of common shares that are decided in advance.