Final answer:
PC members can usually redeem their birthday meal in their birthday month, subject to specific loyalty program terms.
Step-by-step explanation:
The PC member can redeem their birthday meal at any time during their birthday month.
For example, if their birthday is in October, they can redeem the meal anytime between October 1st and October 31st.
This provides flexibility for the PC member to choose a date within their birthday month that is convenient for them.