Depends on why B73.1 is being specified. If it's for compatibility then probably NO, if it's because the people specifying B73.1 just like the sound of the spec., then maybe no. Why don't you ask the people who specified it or the user - pretty simple solution.
It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)