58 Pa. Code § 165.155
Every corporation licensed, owner, jockey, or trainer who employs or hires any person or persons required by the laws of the Commonwealth to be covered by Workmen's Compensation shall furnish proof satisfactory to the Commission that such corporation, owner, jockey, or trainer has adequate Workmen's Compensation Insurance in Pennsylvania. No person who employs or hires any other persons required by the laws of the Commonwealth of Pennsylvania to be covered by Workmen's Compensation shall be licensed, unless said person is carrying adequate Workmen's Compensation Insurance. Any licensee who fails to comply with such laws and with this section, shall suffer the penalties imposed by the laws and by these rules and regulations.
58 Pa. Code § 165.155