The ABI says it is vital advisers check arrangements for clients who may be affected by the imminent change in the national minimum pensions age.
The minimum age changes from 50 to 55 on 6 April with HMRC rules requiring pension benefits are set up by this date.
It will affect people planning to access pension benefits who are between ages 50 and 55.
The ABI says those who wish to access their benefits must ensure their policies are set up in time, which means advisers need to act now to ensure applications are received by providers well in advance of the deadline.
It says it has worked with pension and annuity providers to help coordinate the changeover and set a provisional cut-off date for applications.
Advisers are urged to ensure applications for annuities or immediate vesting personal pensions (IVPPs) are received by the receiving provider as soon as possible or by 5pm on 1 March at the latest.
Applications received after this date will be processed on a best endeavours basis, but may not be processed in time.
ABI acting director general and director of life and savings Maggie Craig says: "Details of the age change have been available for some time now.
"Advisers should be working towards concluding their client consultations and advice processes, to make sure applications for early retirement decisions are received as soon as possible.
"Although provider transfer processes have been significantly improved recently, no chances should be taken. Advisers should act now and ensure applications are received as soon as possible."
Paul Bruns and Elaine Parkes
3,000 left to transfer
Record numbers of people aged 90 plus
From 3 to 10 October