<blockquote class="spPostEmbedQuote"><strong>hunchback said </strong>
You are only partially correct on column 22 and wrong on column 23.
A parcel pick up event can be entered in column 21 and the corresponding parcel or parcels entered in column 22 even if no sheet is printed or online request is generated. A customer can put a click and ship package in, on or around the box without paper work for pick up and you still get credit in 21 and 22 columns. What would you do but pick up that package . leave it there, of course not. Also you can have a daily pick up built in without a form. If you arrive at your daily pick up location and there are no parcels for pick up you still get a 1 in column 21 for attempting the pre-arranged built in pick up request.
Column 23:
You are confusing the airline security requirements that state any package over 13 ounces "BEARING STAMPS" should only be accepted over the counter
Column 23 parcels are given to the carrier without postage affixed and some form of payment for postage.
The column 23 does not have to be 2lbs., all though this is always a point of contention, the wording says something to the effect "is clearly a parcel" this is to avoid what another poster alluded to, trying to get credit for putting a first class stamp on an envelope and maybe getting credit in column 23. The interpretation would be any item that qualifies as a parcel if you were delivering it would be a column 23 pick up if cash was sent along with it for postage.
The language further states the carrier must weigh and affix postage "IF" the USPS makes the equipment available to the carrier, IE scales, rate chart or log in to the POS (POZ) register system. If they don't provide access you still get credit, if they provide access, yes you need to weigh and apply postage verifying it's dimensions and weight are within the guidelines up to 70 lbs and is it 181 inches. </blockquote>
I did correct myself above for a parcel pickup after being reminded in post #3. If someone leaves a priority at a mailbox that weighs less than 2 lbs without a pickup request, that pkg is recorded as a letter/flat (Col. 20). Without a pickup request, note in the mailbox, or at a pickup location then the pkg must be over 2 lbs to qualify for Col 21.
As to Col 23, as it is a rare thing here for a pkg to be needing picked up with just stamps or cash at all (posting 11) that doesn't FLY at some point & we don't know what pkgs will need that service so We have been instructed not to pick up over 13 oz for years.
There is, as I said previously, a postal mailing place on a nearby corner for mailing out parcels here anyway so many just go there if they don't Click-n-Ship. I've picked up at one for many years & have always gotten a Col 21 credit for this location but had forgotten to include it in my original answer.