The latest version of the design specification for P45 (Online) PDF for software developers has been published on the Gov.uk website.
This is also useful for employers and payroll workers.
These design specifications cover the preparation and use of black and white forms P45 (Online) Parts 1A, 2 and 3, which can be printed on plain white A4 paper once the final FPS has been completed online.
The P60 draft form for 2018-19 has also been published.