The following sample shows the structure of a Custom Postal Matcher rules file.
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RULES file
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GENERAL_RULES LIST
NODE STREET_MATCH_SCORE=93,MAT_BIG_WINDOW=YES
STREET_MATCH_UPDATES LIST
NODE TYPE=str,WHERE=any,CHANGE=all,FLD1='-',FLD2=' ',KEEP=NO
NODE TYPE=str,WHERE=any,CHANGE=all,FLD1='.',FLD2=' ',KEEP=NO