The answer, as noted above, is save your advertising dollars. They will be informed of this "benefit" and you are under no obligation to solicit it. If they hear about it or decide to act on it 6 months down the road though, you will be backdating some rate reductions.
If your idea is to reduce these, I'd contact the local reserve/guard units your customers serve in and head it off there by providing a contact point with them. Most of your customers going active should do so through these units and you can cost effectively handle it this way.
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AndyZ CRCM
My opinions are not necessarily my employers.
R+R-R=R+R
Rules and Regs minus Relationships equals Resentment and Rebellion. John Maxwell