Originally Posted by Often1

1. Whether it is your "duty" is a different matter than the simpler question of whether the bonus will be awarded if the # is not. Thus, a simple tradeoff. Either assure that the # is attached to the reservation or don't get the points.

2. In this case, rather than writing, call. The question at this point is whether, if you supply the #, will Hertz credit the points. If not, might it award them as a customer service gesture on a one-time basis.

Generally, a third follow-up is useless.