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.
Flat rate USPS shipments are protected by U.S. federal law enforcement agencies, which may again contribute to lower fraud and theft rates. USPS Flat Rate Shipping Prices. There are 11 different prices and packages that can be shipped via U.S. Priority Mail for a flat rate. 12 Â½â by 9 Â½â Envelope â $4.95