An individual's handicap index is updated according to a revision schedule set by the MGA Member Services department. A total of 24 revisions are conducted annually in Massachusetts. The season start date for the 2010 season is April 1, 2010.
A club handicap chairperson and/or golf professional is able to submit individual scoring records on the "transmit by" dates indicated below. The information submitted by the clubs will take effect and will appear on GHIN.com on the "revision effective date."
* Click here for a printable copy of the 2010 GHIN Revision Calendar *
| Revision Number | Transmit By | Revision Effective Date | |
|---|---|---|---|
| Off Season #1 | December 31 | January 1 | |
| Off Season #2 | January 14 | January 15 | |
| Off Season #3 | January 31 | February 1 | |
| Off Season #4 | February 14 | February 15 | |
| Off Season #5 | February 28 | March 1 | |
| Off Season #6 | March 14 | March 15 | |
| 7 - Season Start | March 31 | April 1 | |
| 8 | April 14 | April 15 | |
| 9 | April 30 | May 1 | |
| 10 | May 14 | May 15 | |
| 11 | May 31 | June 1 | |
| 12 | June 14 | June 15 | |
| 13 | June 30 | July 1 | |
| 14 | July 14 | July 15 | |
| 15 | July 31 | August 1 | |
| 16 | August 14 | August 15 | |
| 17 | August 31 | September 1 | |
| 18 | September 14 | September 15 | |
| 19 | September 30 | October 1 | |
| 20 | October 14 | October 15 | |
| 21 | October 31 | November 1 | |
| 22 - Season End | November 14 | November 15 | |
| Off Season #23 | November 30 | December 1 | |
| Off Season #24 | December 14 | December 15 | |