The agencies also varied in the extent to which they explicitly permitted comments via facsimile, with EPA not calling for facsimile comments in any of its proposed rules during 1999.
This is because all their fax machines are out for repair at the same time.
mnli hypothesis: This is because all their fax machines are out for repair at the same time. premise: The agencies also varied in the extent to which they explicitly permitted comments via facsimile, with EPA not calling for facsimile comments in any of its proposed rules during 1999.