Bag and Tag issues?

[MrForbes]

WITHHOLDING ALLOWANCE – a limited amount of FABRICATED ITEMS that are withheld from the shipping requirements (specified in the 2011 FRC Administrative Manual, Section 5) and retained by the team following the shipping deadlines. These items are then hand-carried to a competition event by the team. The OPERATOR CONSOLE is automatically included in the WITHHOLDING ALLOWANCE. Beyond that, the incoming material maximums specified in Rule <R33> limits the amount of FABRICATED ITEMS included in the WITHHOLDING ALLOWANCE.

Does not mention bumpers.

<R11> does mention that bumpers are not included when determining the size and weight of the robot--but it does not say they are not counted against the WITHHOLDING ALLOWANCE.

For the purposes of determining compliance with the weight and volume limitations, the items listed below are NOT considered part of the ROBOT and are NOT included in the weight and volume assessment:
...
B. BUMPER assemblies (including BUMPER covers, if appropriate) that are in
compliance with Rules <R07> and <R08>,
...