Blanket PO XSLFO restrict lines

The current PO_BLANKETPX_SLFO template will print all of the lines on a blanket agreement.

We need to create a version of the template that will only print active lines.  It must not print the Cancelled, Closed or lines that have an end date less than or equal to the current date. They would then create a modified version of the PO Output for Communication, but need to create a new template for this report to generate the PDF.

Does anyone know how this can be accomplished and have sample code?

Thanks

Marie