Freelancing on a Working holiday visa? 6 month limit??

[rrr52]

Hi,

 

im a bit stuck, im on a working holiday visa, and 'ive been freelancing for a company, some weeks i worked 2-3 days and sometimes i didnt work for 3 weeks. i did my first paid shift for them 5 months ago, does this mean i got to stop in 1 months time??

 

and if i do, is it 6 calander months, like 5th march to 5th september? and do i have to tell them ive finished and get like p45 thingy?

 

any ideas??

 

many thanks