- <>L - Date can be changed at any time; the through-rate can be changed at any time by the proposer 
- <>G - Expiration date may be changed at any time; carrier may change its factor only on number of days advance notice as indicated in the transaction 
- <>M - Rate Proposer Only 
- <>N - Expiration Date and Factor may be Changed Only After the Number of Days Advance Notice Indicated in the Transaction 
- <>A - Expiration date and a carrier's factor may be changed at any time 
- <>D - Expiration date may be changed at any time; carrier may change its factor only prior to the trigger date 
- <>B - Expiration date may be changed at any time 
- <>E - Expiration date may be changed at any time; carrier may change its factor only after the trigger date 
- <>H - Expiration date may be changed only after the number of days advance notice indicated in the transaction 
- <>C - Expiration date and factor may not be changed before the trigger date, but may be changed after the trigger date 
- <>F - Expiration date may not be changed before the trigger date; it may be changed after the trigger date 
- <>I - Expiration date may be changed only after 30 days advance notice