1. Open a respective job/shipment which one you have to generate purchase invoice, then enter the charges using costing screen (Fig-1),
then select the vendor from organization master, enter the cost amount, if its applicable Tax for this charge code, you can choose tax type (Fig-2) and Save.
2. Now, click generate purchase invoice button from job/shipment (Fig-3), select the vendor name and you can get entered list of charges in the screen, enter the Ref No, Ref Date, Bill amount and select required charges, finally click Save for generate Purchase invoice.(Fig-4), system will generate purchase invoice for given details,
3. To view/Edit the purchase invoice, click Voucher list button the job/shipment then post the Purchase/ vendor invoice.