Question: What is required for a business to file a repayment claim for paid sick time for their employees?

Answer passage (source: UK):
page_title: Guidance Check if you can claim back Statutory Sick Pay paid to employees due to coronavirus (COVID-19)
section_headers: What you can claim
section_content: The repayment will cover up to 2 weeks Statutory Sick Pay starting from the
first qualifying day of sickness, if an employee is unable to work because
they:

have coronavirus symptoms
are self-isolating because someone they live with has symptoms
are self-isolating because they’ve been notified by the NHS or public health bodies that they’ve come into contact with someone with coronavirus
are shielding and have a letter from the NHS or a GP telling them to stay at home for at least 12 weeks

You can claim from the first qualifying day your employee is off work if the
period of sickness started on or after:

13 March 2020 - if your employee had coronavirus or the symptoms or is self-isolating because someone they live with has symptoms
16 April 2020 - if your employee was shielding because of coronavirus
28 May 2020 - if your employee has been notified by the NHS or public health bodies that they’ve come into contact with someone with coronavirus

A ‘qualifying day’ is a day an employee usually works on.The weekly rate was
£94.25 before 6 April 2020 and is now £95.85. If you’re an employer who pays
more than the weekly rate of Statutory Sick Pay you can only claim up to the
weekly rate paid.
Use the SSP calculator to
work out the actual amount.
Records you must keep
You must keep records of Statutory Sick Pay that you’ve paid and want to claim
back from HMRC.
You must keep the following records for 3 years after the date you receive the
payment for your claim:

the dates the employee was off sick
which of those dates were qualifying days
the reason they said they were off work - if they had symptoms, someone they lived with had symptoms or they were shielding
the employee’s National Insurance number

You can choose how you keep records of your employees’ sickness absence. HMRC
may need to see these records if there’s a dispute over payment of SSP.
You’ll need to print or save your state aid declaration (from your claim
summary) and keep this until 31 December 2024.
*[SSP]: Statutory Sick Pay

Reviewer feedback on this answer:
There is a decent amount of information here.  I think the answer addresses the issue that is in the question about the claims.
While this answer relates to the question, it does not answer directly how one can apply for a repayment.

Reviewer ratings:
Excellent
Acceptable

Answer passage (source: UK):
page_title: Guidance Check if you can claim back Statutory Sick Pay paid to employees due to coronavirus (COVID-19)
section_headers: Who can use the scheme
section_content: You can use the scheme as an employer if:

you’re claiming for an employee who’s eligible for sick pay due to coronavirus
you have a PAYE payroll scheme that was created and started on or before 28 February 2020
you had fewer than 250 employees on 28 February 2020 across all your PAYE payroll schemes

Employees do not have to give you a doctor’s fit note for you to make a claim.
But you can ask them to give you either:

an isolation note from NHS 111 - if they are self-isolating and cannot work because of coronavirus (COVID-19)
the NHS or GP letter telling them to stay at home for at least 12 weeks because they’re at high risk of severe illness from coronavirus

The scheme covers all types of employment contracts, including:

full-time employees
part-time employees
employees on agency contracts
employees on flexible or zero-hour contracts
fixed term contracts (until the date their contract ends)

We will let you know when the scheme will end.
If you’re claiming for wage costs through the Coronavirus Job Retention
Scheme
You can claim back from both the Coronavirus Job Retention Scheme and the
Coronavirus Statutory Sick Pay Rebate Scheme for the same employee but not for
the same period of time.
State aid limits
Your claim amount should not take you above the state aid limits under the EU
Commission temporary
framework.
This is when combined with other aid received under the framework. The maximum
level of state aid that a business may receive is €800,000. There is a lower
maximum for agriculture at €100,000 and aquaculture and fisheries at €120,000.
Connected companies and charities
Connected companies and charities can also use the scheme if their total
combined number of PAYE employees was fewer than 250 on the 28 February 2020.
Using an agent to do PAYE online
If you use an agent who is authorised to do PAYE online for you, they will be
able to claim on your behalf. You should speak to your agent about whether
they are providing this service.
If you would like to use an agent, but do not have one authorised to do PAYE
online for you, you can do that by accessing your HMRC online
services and selecting
‘Manage Account’.
You must be enrolled in PAYE online for employers to do this and will need to
ask your agent for their agent ID. Your agent can get this from their HMRC
online service for agents by selecting ‘authorise client.’
You can also use this service to remove authorisation from your agent if you
do not want it to continue after they have submitted your claim(s).
If an agent makes a claim on your behalf, you will need to tell them which
bank account you would like the grant to be paid into. You must only provide
bank details where a BACS payment can be accepted.

Reviewer feedback on this answer:
There is a lot of information about the scheme here.  I think the answer would be helpful to businesses that are asking this question.
This answer gives an exhaustive list of situations and information for those who are looking for the answer to this question.

Reviewer ratings:
Excellent
Excellent

Answer passage (source: UK):
page_title: Guidance Check if you can claim back Statutory Sick Pay paid to employees due to coronavirus (COVID-19)
section_headers: How to claim
section_content: You must have paid your employees’ sick pay before you claim it back.
You can claim back coranvirus-related Statutory Sick Pay using the online
service.
If you use an agent who is authorised to do PAYE online for you, they will be
able to claim on your behalf.
Employers who are unable to claim online should have received a letter on an
alternative way to claim. Contact
HMRC if you
have not received a letter and are unable to make any eligible claims online.

Reviewer feedback on this answer:
The answer talks about the claim, but there is not a lot of information here.  It doesn't address the specific question that is asked here.
This answer relates to the question and gives proper links while being direct and to the point.

Reviewer ratings:
Could be Improved
Acceptable