(1) Upon notice of an accident, injury, or occupational disease an employer shall, within six days of such notice, submit to the employer's workers' compensation insurer or to the department, a completed form known as the first report of occupational injury/occupational disease.

(2) If an insurer changes an adjuster or an employer changes its third party adjuster, the department must be notified in writing by the office assuming the account(s) , within 30 days from the time the account is transferred. The notification must include:

(a) the adjuster = s or third party adjuster's business address and telephone number;

(b) an effective date of transfer;

(c) a general description of the type of claims transferred (if there are identifiable categories or classes of claims) ; and

(d) upon request for each claim transferred:

(i) the claimant = s name;

(ii) the claimant = s social security number;

(iii) the date of injury or occurrence; and

(iv) the insurer = s claim number.