Setting up a permalink where the identifier is the first variable of the permalink should create a rewrite rule for just the identifier that just sets the post_type. ie:
a structure of /test/%identifier%/%year%/%month%/%postname%/
should create a rule at /test/%identifier%/ for the post_type
Setting up a permalink where the identifier is the first variable of the permalink should create a rewrite rule for just the identifier that just sets the post_type. ie:
a structure of /test/%identifier%/%year%/%month%/%postname%/ should create a rule at /test/%identifier%/ for the post_type