Company Name / Setup / General Setup / Number Format  /  Sales Invoice Number
Select Order Description Input X
Letter(s)
Job Number
Type of Job Letters
Category Number
Financial Year
Year
Consecutive Number. Use X amount of digits.
AND / OR
Random [x] dijit number (minimum of 4 digits).
PROGRESS CLAIM WILL USE A
Sequential Number
AND / OR
Sequential Letter
AND / OR
Each sales invoice for a job will use a sequential number based on the number of sales invoices generated for all jobs.