Whether the unit has ISO certification, 14000 Series
Categories
Value
Category
1
Yes
2
No
9
Invalid
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
var_qstn_ivulnstr
If the units is having ISO Certificate of 14000 series, code 1 will be recorded, otherwise code 2 will be recorded.