0
No rule. Used when a rule in the formula of a combination for a given load type is not defined.
The sum of all accidental loads multiplied by the γ a factor (4th column with factors in the table for definition of nature factors).
A set of sums of all accidental loads multiplied by the ψ K simultaneity factor (12th column with factors in the table for definition of nature factors) or by the γ a factor.
Note: The formula allows one factor ψ K for all subnatures.