<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8" /><title></title><meta name="Generator" content="PowerTools for Open XML" /><style>span { white-space: pre-wrap; } p.sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal { text-align: justify; font-family: 'Times New Roman', 'serif'; font-size: 12pt; line-height: 108%; margin-top: 0; margin-left: 0; margin-right: 0; margin-bottom: .001pt; } span.sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont { font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000 { font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.sb214e09f-3e4c-4de1-abfd-619d9247b1d8000001 { font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000002 { color: #0000FF; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">20:10:28:29.  Tandem switching equipment -- Category 2 -- Accounts 2210, 2211, 2212, and 2215 -- Included equipment.</span><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont"> Tandem switching equipment is contained in accounts 2210, 2211, 2212, and 2215. It includes all switching equipment in a tandem central office, including any associated tandem switchboard positions and any intertoll switching equipment. Intertoll switching equipment includes switching equipment used for the interconnection of message toll telephone circuits with each other or with local or tandem telephone central office trunks, intertoll dial selector equipment, or intertoll trunk equipment in electronic offices. Equipment, including switchboards used for recording of calling telephone numbers and other billing information in connection with customer-dialed charge traffic, is included with the local switching equipment, category 3.</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8000001"> </span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">Source:</span><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont"> 19 SDR 111, effective </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">January 31, 1993.</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">General Authority:</span><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=49-1-11"><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000002">49-1-11</span></a><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">, </span><a href="https://sdlegislature.gov/Statutes?Statute=49-31-5"><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000002">49-31-5</span></a><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">, </span><a href="https://sdlegislature.gov/Statutes?Statute=49-31-18"><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000002">49-31-18</span></a><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">.</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">Law Implemented:</span><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=49-31-18"><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000002">49-31-18</span></a><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">.</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8000001"> </span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">Cross-References:</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    Central office-switching, 47 C.F.R. § 32.2210 (1991).</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    Analog electronic switching, 47 C.F.R. § 32.2211 (1991).</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    Digital electronic switching, 47 C.F.R. § 32.2212 (1991).</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    Electro-mechanical switching, 47 C.F.R. § 32.2215 (1991).</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    Tandem switching equipment - category 2, 47 C.F.R. § 36.124(a) (1991).</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8000001"> </span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont">    </span><span class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont-000000">Note:</span><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8DefaultParagraphFont"> If qualified by a modifying expression, or other explanation, the term tandem office may be applied to an office employed for both the interconnection of local central offices within the tandem area and for the interconnection of these local offices with other central offices such as long haul tandem office.</span></p><p dir="ltr" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8Normal"><span xml:space="preserve" class="sb214e09f-3e4c-4de1-abfd-619d9247b1d8000001"> </span></p></div></body></html>