There are six different sequences for the three approval tasks: check inventory; check credit; check special terms.
Sequence 1: check credit; check inventory; check special terms
Sequence 2: check inventory; check credit; check special terms (current sequence)
Sequence 3: check credit; check special terms; check inventory
Sequence 4: check special terms; check credit; check inventory
Sequence 5: check inventory; check special terms; check credit
Sequence 6: check special terms; check inventory; check credit