2023 Holiday Schedule
Please be advised, DPI will observe the following holidays in 2023:
| New Year’s Day | Monday | 02Jan2023 |
| Martin Luther King Day | Monday | 16Jan2023 |
| Presidents Day | Monday | 20Feb2023 |
| Memorial Day | Monday | 29May2023 |
| Independence Day | Tuesday | 04Jul2023 |
| Labor Day | Monday | 04Sep2023 |
| Thanksgiving Day | Thursday | 23Nov2023 |
| Day after Thanksgiving | Friday | 24Nov2023 |
| Christmas Day | Monday | 25Dec2023 |
Our web servers at www.dpiusa.com and email servers will be in full operation during these days. Tariff filing requests received on these days will be processed on the next business day and confirmed the following business day; thank-you for your cooperation.
2022 Holiday Schedule
Please be advised, DPI will observe the following holidays in 2022:
| New Year’s Day | Monday | 03Jan2022 |
| Martin Luther King Day | Monday | 17Jan2022 |
| Presidents Day | Monday | 21Feb2022 |
| Memorial Day | Monday | 30May2022 |
| Independence Day | Monday | 04Jul2022 |
| Labor Day | Monday | 05Sep2022 |
| Thanksgiving Day | Thursday | 24Nov2022 |
| Day after Thanksgiving | Friday | 25Nov2022 |
| Christmas Day | Monday | 26Dec2022 |
Our web servers at www.dpiusa.com and email servers will be in full operation during these days. Tariff filing requests received on these days will be processed on the next business day, and confirmed the following business day; thank-you for your cooperation.