594 Frequency Code
TYPE=ID MIN=1 MAX=1
Code indicating frequency or type of payment
1 Weekly
2 Biweekly
3 Semimonthly
4 Monthly
5 Other
6 Daily
7 Annual
8 Two Calendar Months
9 Lump-Sum Separation Allowance
B Year-to-Date
C Single
H Hourly
Q Quarterly
S Semiannual
U Unknown
Z Mutually Defined