Simpler BAS reporting for Small Business Leave a Comment / Bookkeeping & BAS, Industry & Technology Great news and well overdue for small business. A new simpler BAS is available with just 3 fields - 1A GST Collected, 1B GST Paid and G1 Total Sales. Then new BAS has only: GST on sales (1A) GST on purchases (1B) Total sales (G1)