Changes

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| rowspan="2" style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | <2018-01-01  

| rowspan="2" style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | <2018-01-01  

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | > 2017-09-01 and < 2018-01-01

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | >= 2017-09-01

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" | 4

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" | 4

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | XXX → XXXX  

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | XXX → XXXX  

* Digit "1" was added in front of existing Program numbers. For example: 882 → 1882.

* Digit "1" was added in front of existing Program numbers. For example: 882 → 1882.

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| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | <= 2017-09-01  

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | < 2017-09-01  

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" | 3

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: center; vertical-align: center; background: white;" | 3

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | XXX

| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: center; background: white;" | XXX