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- The Total GHG field should not be sent at all.
- The "AV" option should not be sent without a specified value (At least one Emission field is required) and and it must be a positive value or zero.
- Not valid to send total GHG =0 without providing any E fields with value=0.
- The EL field can be positive, zero or negative ( for all methods)
- The land use change type value must be specified for the given EL field value, except when it is zero.
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