index the 4 digit year instead of just 2 digits
Please ask indexers to write all 4 digits for the birth year, or any other year that they are extracting. When only the last two digits are extracted, then the Source Linker will incorrectly show the birth year as 100, or somethings, 200 years after the correct date. Such as : a extracted birth year is "87", it will show in the Source Linker as "1987" when the correct date is "1887" on a 1930 census record. Or a date might show up as "2028". Same problem; the date is after the actually vital record and incorrect for the birth year of the person it is for.
Even if only the last two digits of the birth year are actually written on the record being indexed, somewhere on the document is the year of the record. Obviously if the record is a 1930 census, the birth year is not 1987 because that would be in the future, and not 1787 either because the person would not still be alive in 1930. The birth year is 1887. Please index it as such.
It is problematic in many way when the wrong year shows up; Research hints could be rejected because, at first glance, the years don't match. I've seen census records that weren't attached to everyone in the record because it seems that the names might be different people. It takes a bit of sorting out to see to see the matches. It adds time to the process and someone, myself included, may miss a piece of important information because of it.