Rates on both three- and six-month issues were off slightly yesterday.

Rates on other bills did not decline nearly so much as the six-month issue.

The average for the six-month issue was 5.72 percent, also up 4 basis points from last week.

For the six-month issue, the average rate was 5.35 percent, compared with 5.61 percent a week ago.

The average rate for new three- and six-month issues was 5.58 percent.

The average rate for a six-month issue was up 10 basis points, to 6.00 percent.

The rate on the six-month issue was 1.01 percent.

Demand was below average for the six-month issue, with the rate unchanged at 4.80 percent from the previous week.

The six-month issue was up 8 basis points, to 6.50 percent.

The differential was 77 basis points for the six-month issue.