Social Security Disability back pay will be paid in a single lump sum and will be reduced by the amount of SSI already paid for months when eligibility for the two programs overlap. The second SSI installment is due this month, but sometimes the installments are delayed.
The medium flat-rate boxes for Priority service are 13 5/8 inches by 11 7/8 inches by 3 3/8 inches and 11 inches by 8 1/2 inches by 5 1/2 inches. Shipping charges are $12.65. There is one small-size box offered for Priority service. It measures 8 5/8 inches by 5 3/8 inches by 1 5/8 inches and costs $5.95 to ship.
Standard Post is the US Postal Serviceâs lowest cost option to send packages of all sizes, including oversized boxes, to destinations in the United States.owever, you canât use Standard Post for packages that measure more than 130 inches in length and width and weigh more than 70 pounds. The USPS utilizes zone-based pricing for all Standard Post package shipping.