I have noticed this past week that I am getting rejections for not acquiring property releases. This has happened at Shutterstock and even more at 123rf.

123rf has rejected photos of national monuments in Washington DC (Korean, WWII, etc) Also rejected a generic kitchen interior and many exterior shots of houses. I have never had a problem with this type of photo before. As far as I can tell there hasn't been any communicatin from the stock agencies on the policy change. What's going on?

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Shutterstock: http://submit.shutterstock.com/?ref=50797
iStock: http://www.istockphoto.com/index.php?refnum=dkapp12
Dreamstime: http://www.dreamstime.com/resp136538
123rf: http://www.123rf.com/src_dkapp12