1. Every person who holds a business permit for electrical work pursuant to P.L.1962, c.162 (C.45:5A-1 et seq.) shall:
a. Secure, maintain and file with the board proof of a bank letter of credit covering the electrical work done pursuant to that business permit or a certificate of general liability insurance from an insurance company authorized and licensed to do business in this State covering the electrical work done pursuant to that business permit. The minimum amount of the bank letter of credit shall be $300,000 for property damage and bodily injury to or death of one or more persons and the minimum amount of general liability insurance shall be $300,000 for the combined property damage and bodily injury to or death of one or more persons in any one accident or occurrence; and
b. File with the board its Federal Tax Identification number.
Every proof of a bank letter of credit or certificate of insurance required to be filed with the board pursuant to this section shall provide that cancellation of the bank letter of credit or insurance shall not be effective unless and until at least 10 days' notice of intention to cancel has been received in writing by the board.