Holes in 2nd pic...
#1. 2 holes, for the mounting bolts, for the left side bracket holding the shaft of the shift lever for the TC-PTO.
#2. 4 holes for the bolts to hold the bracket of the old style e-brake handle, (+ 1 knock-out hole for the cable of the same)
#3. 1 (of 4) holes for the seat mounting bolts.
G.