Go to: Configuration, then click on “Manage Activities” found in the sidebar under Activities
For long activity lists, use the filters in the top panel and click the green [Filter Activities] button
Mouse over the Options icon beside the Activity
Click on “Edit”
In “Basic Info”, check (or uncheck) the “Allow Hours Logging” box to enable volunteers to log hours for this Activity
Click the [Save] button in that section
Click the [Close] button
Note: Regardless of this setting, an administrator will always be able to log hours on behalf of a volunteer; provided that they are not a Limited Access Administrator that is restricted from doing so.