I received one too back in 09 here in Canada, for some arimidex and dbol, along with a call from customs. They told me I had the choice to sign the letter they sent, basically saying I agreed that they seize my package or - get this - if i do nothing, it becomes the property of her majesty the queen for the crown to do whatever they want with it hahah.. I said give it to the queen LOL.
For 2 years after anything i ordered online from anywhere including bodybuilding.com would get custom searched and packages would take 2 weeks to get to me.