- ('', '68a', 'a', 'New number--Single number or beginning number of span', 'New number--Single number or beginning number of span', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'b', 'Previous number--Single number or beginning number of span', 'Previous number--Single number or beginning number of span', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'c', 'Classification number--ending number of span', 'Classification number--ending number of span', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'd', 'Date of implementation of authoritative agency', 'Date of implementation of authoritative agency', 0, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'e', 'Local implementation date', 'Local implementation date', 0, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'f', 'Title and publication date', 'Title and publication date', 0, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'i', 'Explanatory text', 'Explanatory text', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 't', 'Topic', 'Topic', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', 'z', 'Table identification', 'Table identification', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', '2', 'Edition number', 'Edition number', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', '5', 'Institution to which field applies', 'Institution to which field applies', 1, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', '6', 'Linkage', 'Linkage', 0, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),
- ('', '68a', '8', 'Field link and sequence number', 'Field link and sequence number', 0, 0, 0, NULL, NULL, NULL, 0, 0, '', '', ''),