34 Pa. Code § 65.108
If a pension, retirement, annuity or other similar periodic payment deductible under section 404(d)(2) of the law (43 P. S. § 804(d)(2)) is received on other than a weekly basis, the amount to be deducted will be prorated as follows: The claimant's monthly pension is the amount the claimant could have received each month had the claimant opted to take periodic payments in lieu of a lump sum. The Department will use the deductible amount of that monthly pension, convert it to a yearly amount, and divide by 52. If not a multiple of one dollar, the Department will determine the prorated weekly deductible amount of the pension by rounding to the next higher multiple of one dollar. The weekly benefit amount payable to the claimant will be reduced, but not below zero, by the prorated weekly deductible amount of the pension, in accordance with section 404(d)(2) of the law.
34 Pa. Code § 65.108
This section cited in 34 Pa. Code § 65.102 (relating to application of the deduction); and 34 Pa. Code § 65.105 (relating to lump-sum retirement payments).