My mum tops up my wages for me, should I declare this to someone?

[Confused92739572]

I earn minimum wage and work 22 hours a week due to having mobility issues i physically cannot work anymore.
We do not claim any benefits whatsoever apart from the normal child benefit that everyone gets.
My mum gives me £300 cash a month so that i have a bit more money on top of my low wage. I pay this into my account.
I dont earn enough to pay tax but with this extra £300 I suppose i would to pay just a little.
Also my father wants to gift me £5000 later this year which i will also pay into my account.
Would i be better off just keeping this as physical cash?
Im not trying to get out of paying any tax due , just not sure if these monthly payments will flag up somewhere?

There is no tax on gifts

The £300 isn't earned income, so doesn't have to be declared to HMRC. Likewise, neither is the gift of £5000, though were your father to die or need paid for care in the next years, then that may be looked at in the calculations for payment. Again, not your direct issue.
if your mobility issues are preventing you from working, it will probably be worth applying for Personal Independence Payment. You can check your entitlement to all help here

No tax on gifts. You're all good. Don't have £5000 hanging around in cash! Put it in the bank.

Thank you. I was worrying about it that they would think im working cash in hand or something and paying in monthly amounts. It can be proven its from a family member if asked.
I am currently being assessed for pip. Have my telephone assessment tomorrow

£300 per month would fall with gifts and not be liable for tax as long as from the donors income. There are annual allowances for gifts being iht free and for specific purposes. https://www.gov.uk/inheritance-tax/gifts

PIP is not means tested, your income is irrelevant.

Good luck with your pip interview, they can be pretty grulling. If there is any possibility of changing it to a video call, that might help you......

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This link is about if IHT is due if your parents passed away.

It's different to 'is any income tax due on the money you receive from your parents' - the answer to that is no.

People have a habit of referencing IHT rules as 'limits' to amounts people can gift which is not accurate. There are no limits. But there are amounts which would become taxable IF your parent passed within set time periods AND their estate (considering the gifts too) was liable to IHT (which many are not).