# Gavin Andresen
# 2010-07-12 12:08:45
# https://bitcointalk.org/index.php?topic=287.msg2295#msg2295

From the source code: @p{brk}

Code:
main.h:        // To limit dust spam, require a 0.01 fee if any output is less than 0.01 @p{brk}