Which happens first, filtering or matching? August 26, 2019 19:06 Follow Filtering happens first. Related articles With multi-pass enabled, what happens if an added rule set contains an Ignore rule on a matching field? Is there any way to use today's date in NRL? Multi-pass What’s the maximum number of lines of data that Duco can process in a single process? To how many decimal places can Duco reconcile?