Total number of line items in the transaction set.

If CTT03 is present, then CTT04 is required.

Sum of values of the specified data element. All values in the data element will be summed without regard to decimal points (explicit or implicit) or signs. Truncation will occur on the left most digits if the sum is greater than the maximum size of the hash total of the data element. Example: -.0018 First occurrence of value being hashed. .18 Second occurrence of value being hashed. 1.8 Third occurrence of value being hashed. 18.01 Fourth occurrence of value being hashed. ------ 1855 Hash total prior to truncation. 855 Hash total after truncation to three-digit field.

If CTT05 is present, then CTT06 is required.

Numeric value of weight.

Code identifying the basic unit of measurement.

Value of volumetric measure.

Code identifying the basic unit of measurement.

A free-form description to clarify the related data elements and their content.