Republican presidential candidate Marion G. (Pat) Robertson was granted more time yesterday to file his personal financial disclosure statement with the Federal Election Commission.

Marion Edwyn Harrison, attorney for Robertson's campaign committee, Americans for Robertson, said yesterday that Robertson filed for a 30-day extension, until Dec. 2, because he has been on the road campaigning and hasn't had time to complete the form.

Robertson is the only major candidate of either party who hasn't filed the statement, which is required of presidential candidates.

Meanwhile, his headquarters still hasn't disclosed the candidate's full federal tax returns for the past two years.

Constance Snapp, Robertson's director of communications, held a news conference Oct. 22 to release partial returns. They showed that Robertson and his wife had a taxable income of $202,000 last year, most of it from book royalties and his salary as president of the Christian Broadcasting Network.

The release included only one of several tax return schedules that would document large losses he took on a horse farm and how he earned the $185,000 in royalties. Snapp said she would have the complete return for reporters by the following Monday, but has yet to make the information available. She could not be reached yesterday.