Can Parliament enact legislation to pre 0 a. Yes. the constitution gives the federal government the unfettered power to respond to all national emergencies including projected emergencies as it sees t. Ob. Yes, the Supreme Court has ruled that the federal emergency has started. DC. No, the Supreme Court has ruled that the emergency branch of POGG only applies once an emergency has started. 0 d. No. the constitution only gives provincial legislatures the power to pre-emptively act to avoid projected emergencies. -emptively avoid an emergency under the emergency branch of POGG? government can enact pre-emptlve legislation before an