Answer
From July 2019 the ATO will require that employers align ATO reporting with their pay schedule and submit employee YTD figures using the Single Touch Payroll reporting standard each time pays are made to employees.
The only thing you need to do to be able to send STP in Lightning Payroll is get an ATO machine credential. Please see our FAQ on machine credentials here.
Read the ATO's Single Touch Factsheet
Read our 2018/2019 EOFY Mailer
To process Single Touch Payroll in Lightning Payroll simply complete your pays as usual then click Single Touch >> Submit Payroll to ATO.
To check for Single Touch Payroll response messages from the ATO click Single Touch >> Single Touch Mailbox.
This video tutorial demonstrates how to submit Single Touch Payroll information to the ATO.