In relation to severance by written notice, which of the following statements is WRONG? Select the correct response:
a) Severance by written notice is one of just two methods of severance that is unilateral in nature
b) A written notice of severance must express a clear, unequivocal and immediate intention to sever
c) A written notice of severance must be served on all other joint tenants if it is to be effective
d) A written notice of severance must be received and read by the other joint tenants to be effective