The provisions of Section 87 of the Negotiable Instruments Act, 1881 are subject to:

The last line of s.87 reads "The provisions of this section are subject to those of sections 20, 49, 86 and 125", which deal with inchoate stamped instruments, conversion of a blank indorsement into one in full, qualified acceptance and crossing after issue. Section 88 (liability despite previous alteration) and s.124 (special crossing) are not on the list.