Required Collection Frequency Begin Date
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Description
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The date on which the specified Required Collection Frequency (RCF) went into effect.

Business Rules
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Must be in the format YYYYMMDD.

Must be between July 01, 1987 and one year from the current date.

Must not fall in any other RCF windows defined for the monitor.

Must be during a sample period for a monitor (between Sample Period Begin Date and Sample Period End Date (or one year from today if Sample Period is open with a null end date)).