20 CFR § 218.28
Sick pay
February 18, 2021
(a) From railroad employer. If the employee is carried on the payroll while sick, the annuity can begin no earlier than the day after the last day of sick pay. However, sick pay is not considered compensation and does not affect the annuity beginning date if it is a payment described in §211.2(c)(6) of these regulations.
(b) From non-railroad employer. Sick pay will not affect the annuity beginning date.