this is way more common then this article leads on.

[kimba1]

http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2011/12/10/BU6K1MA753.DTL&tsp=1

I`ve worked in many companies which drags thier feet paying for anything. several times I don`t can get supplies because the vendors didn`t get paid from the last purchase. often I have to(not my job) personally make sure items get paid to ensure my stuff gets finished.