1 PIP is expendid for:
Each march or tactical move by an element or group.
Each halt by a single impetuous, broken or naval element.
Each halt by a broken group or a group including impetuous irregulars.
And in a couple of places extra or less PIPs are required or
move...or halt....
"Both a group's front corners move less than maximum distance unless...
And
A halt is not a move,....
IMO in DBM you are only moving if you are making some type of action that is defined in DBMM as a move - ie tactical, march, spontaneous, flee, rout, recoil, pursue, press forward, etc.
the penlaty for moving short only applies to moves - and only for such moves as require PIPs in the first place
ergo a halt does not require extra PIPs for moving less than max distance because it is not a move in the DBMM sense.
however reading this section I've realised that we've been doing something wrong here anyway - the free move for pike is only for march moves - we've been giving them free tactical moves too, which has been damned useful for gettign into contact!