344 Unit of Time Period or Interval
Code indicating the time period or interval
- Type
 - Identifier (ID)
 - Length
 - Min 2 / Max 2
 - Codes
 | Code | Description | 
|---|
|  AD | Average Daily | 
|  AM | Average Monthly | 
|  AN | Annual | 
|  AP | Academic Period | 
|  AY | Average Year | 
|  BD | Buyer's Manufacturing Days | 
|  BW | Bi-weekly | 
|  CC | Cycles Periodic cycling of extreme levels of a variable  | 
|  CY | Calendar Year | 
|  DA | Calendar Days | 
|  DW | Work Days | 
|  DY | Day | 
|  EL | Option Period at End of Lease | 
|  F1 | Fiscal Year Plus One Year | 
|  F2 | Fiscal Year Plus Two Years | 
|  FY | Fiscal Year | 
|  HR | Hours | 
|  KK | Maximum Calendar Days | 
|  KL | As Required | 
|  LN | Lease Termination Notification Period | 
|  LT | Lease Term | 
|  MO | Month | 
|  MS | Mean Time Between Stops Measure of the average time interval between an item or product stop; a noncatastrophic event  | 
|  MT | Mean Time Between Failure Measure of the average time interval between an item or product failure; a catastrophic event  | 
|  NX | Next Six Months | 
|  PR | Preceding Six Months | 
|  Q1 | First Quarter | 
|  Q2 | Second Quarter | 
|  Q3 | Third Quarter | 
|  Q4 | Fourth Quarter | 
|  QY | Quarter of a Year | 
|  SA | Semiannual | 
|  SD | Seller's Manufacturing Days | 
|  SH | Shift | 
|  SP | Summer Period | 
|  WK | Weeks | 
|  WW | Work Week |