Thanks for the reply.
I created a formula called @Quarter:
if Month(currentdate) in [1,2,3] then
Month({SERVICE_CALL.CREATE_DT}) in [10,11,12]
and
Year({SERVICE_CALL.CREATE_DT}) = Year(currentdate)-1
else
if Month (currentdate) in [4, 5, 6] then
Month({SERVICE_CALL.CREATE_DT}) in [1,2,3]...