If Sandra applies for Disability Living Allowance for Amy in April 2012, and it is not awarded until October 2012, providing Sandra tells HMRC of the award of DLA within 1 month she will receive backdating of the disability element to April 2012.
She is not required to tell HMRC in April 2012 when she applies for DLA.
You can complete the relevant part of the claim form that deals with backdating, or send a letter in separately.
Prior to 6 April 2012, the backdating period was 93 days.
Changes of circumstances can be backdated up to 1 month.
Zabia claimed asylum as a refugee on 28th September 2008 and was granted refugee status on 10th April 2012.
She applies for tax credits on 29th May 2012 (more than one month after notification of her refugee status).