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MDPE.19:3.3 - Use present reproduction evidence

Use compatible observations of representative Work under current conditions. Arrange new Work only for a needed worthwhile and obtainable observation. For a claimed observed reproduction, identify:

  • who performed and which Systems and relations formed the wider performing whole;
  • the Method and material used;
  • which continuity discriminators and allowed variations were observed;
  • which support relations were needed; and
  • what the occurrence establishes for the continuation promise.

One successful occurrence supports present enactment. It does not by itself support replacement capacity, transmission, population prevalence, or continuation over the whole horizon.

When no current reproduction can be attempted, keep the current dependence, uncertainty or local retirement conclusion if it answers the receiving question. Use MDPE.18 and direct historical, archival or reconstruction Methods only when the inquiry is attainable and its expected contribution warrants the whole inquiry burden. Record survival can support a restoration proposal, not a claim that reproduction already occurred.