The terms "bulk filer" and "service provider" are used interchangeably to describe persons who perform tax reporting and paying services for multiple clients.
Service Providers File Using Any of Three Methods
Single File Online
At the eFile & Pay Website, submit return / e-payment information online, one transaction at a time, much like taxpayers would file for themselves.
Again at the eFile & Pay Website, submit a fixed length or delimited file of clients’ return / e-payment information. This option is explained in greater detail below.
Batch load allows you to download a batch loader software tool which enables you to bulk load data through a standard HTTPS SSL secure process.