If I'm interpreting this correctly, 1:00 would be Heading 1, and then the
Heading 2s would be 1:01, 1:02, etc.? Set this up as you normally would,
with these modifications:

1. Substitute a colon for the period after the Level 1 numbering.

2. In Level 1 (Heading 1) manually type in two zeroes after the colon.

3. For Level 2, include the Level 1 numbering, substitute a colon for the
period, and use the 01, 02, 03... number style.

4. For Level 3, use 1, 2, 3 numbering again and omit any previous levels.

--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"ab" wrote in message
...
Help!

I am used to Numbering but I now have a specification to type with the
number format:

1:00 (Heading 1)
1:01
1:02 etc
1:10
1.
2. etc
2:00
2:01 etc

I have no idea how to achieve this and would be grateful for any advice.