(a) At the end of each calendar year, the employer must:

1. (1) review the SH 900 log to verify that the entries are complete and accurate, and correct any deficiencies identified;
2. (2) create an annual summary of injuries and illnesses recorded on the SH 900 log;
3. (3) certify the summary; and
4. (4) post the annual summary, for the previous calendar year, from February 1st through April 30th each year.