La. R.S. 23:1724

At the expiration of the thirty-day period provided for in R.S. 23:1722, or at the expiration of such time as may be necessary for the administrator to consider any appeal filed to such notice, the administrator may proceed to assess the contributions, interest and penalty that he determines to be due under this Chapter. This assessment shall be evidenced by a writing in any form suitable to the administrator which states the name of the employer, the amount determined to be due, and the taxable period for which the assessment is due. This writing shall be retained as a part of the administrator's official records. The assessment may confirm or modify the administrator's original determination.