Schematron using XPath 2.0
sb:Additional_Image_Metadata/Rule
In sb:Additional_Image_Metadata, the sb:Per_Frame_Metadata class may only be used when sb:image_observation_type is "Frame Sequence".
sb:Additional_Image_Metadata/pds:Local_Internal_Reference/Rule
In sb:Additional_Image_Metadata/pds:Local_Internal_Reference, the pds:local_reference_type value must be "image_to_additional_metadata".
sb:Additional_Image_Metadata/sb:image_observation_type/sb:image_observation_type
The attribute sb:Additional_Image_Metadata/sb:image_observation_type must be equal to one of the following values 'Frame Sequence', 'Single Image'.
sb:Bad_Pixel_Map/pds:Internal_Reference/Rule
In sb:Bad_Pixel_Map/pds:Internal_Reference, pds:reference_type must be "image_to_bad_pixel_map".
sb:Bias_Map/pds:Internal_Reference/Rule
In sb:Bias_Map/pds:Internal_Reference, pds:reference_type must be "image_to_bias_map_file".
sb:Calibration_Reference_Files//pds:lid_reference/Rule
In "/pds:Internal_Reference", the file must be referenced using LIDVID rather than LID.
sb:Dark_Field/pds:Internal_Reference/Rule
In sb:Dark_Field/pds:Internal_Reference, pds:reference_type must be "image_to_dark_field_file".
sb:Desmear_Matrix/pds:Internal_Reference/Rule
In sb:Desmear_Matrix/pds:Internal_Reference, pds:reference_type must be "image_to_desmear_matrix"
sb:Effective_Area_Table/pds:Internal_Reference/Rule
In sb:Effective_Area_Table/pds:Internal_Reference, pds:reference_type must be "image_to_effective_area_file".
sb:Error_Estimates_Map/pds:Local_Internal_Reference/Rule
In sb:Error_Estimates_Map/pds:Local_Internal_Reference, pds:local_reference_type must be "image_to_error_map".
sb:Exposure/sb:exposure_duration/sb:exposure_duration
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Filter/Rule
The sb:center_wavelength_is_weighted flag must be used with the sb:center_wavelength attribute.
sb:Filter/pds:Internal_Reference/Rule
In sb:Filter/pds:Local_Internal_Reference, the pds:reference_type must be one of "data_to_filter_transmission_curve" or "data_to_filter_description".
sb:Filter/sb:center_wavelength/sb:center_wavelength
The attribute @unit must be equal to one of the following values 'AU', 'Angstrom', 'cm', 'km', 'm', 'micrometer', 'mm', 'nm'.
sb:Filter/sb:filter_type/sb:filter_type
The attribute sb:Filter/sb:filter_type must be equal to one of the following values 'Broadband', 'Linear Variable Filter (LVF)', 'Narrowband', 'Neutral'.
sb:Filter/sb:long_wavelength_limit/sb:long_wavelength_limit
The attribute @unit must be equal to one of the following values 'AU', 'Angstrom', 'cm', 'km', 'm', 'micrometer', 'mm', 'nm'.
sb:Filter/sb:short_wavelength_limit/sb:short_wavelength_limit
The attribute @unit must be equal to one of the following values 'AU', 'Angstrom', 'cm', 'km', 'm', 'micrometer', 'mm', 'nm'.
sb:Flat_Field/pds:Internal_Reference/Rule
In sb:Flat_Field/pds:Internal_Reference, pds:reference_type must be "image_to_flat_field_file".
sb:Frame_Pointing/sb:celestial_north_clock_angle/sb:celestial_north_clock_angle
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Frame_Pointing/sb:frame_center_dec/sb:frame_center_dec
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Frame_Pointing/sb:frame_center_ra/sb:frame_center_ra
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Geometry_Vector_Time/sb:position_velocity_vectors/sb:position_velocity_vectors
The attribute sb:Geometry_Vector_Time/sb:position_velocity_vectors must be equal to one of the following values 'Earth_to_Spacecraft', 'Earth_to_Target', 'Spacecraft_to_Target', 'Sun_to_Spacecraft'.
sb:Geometry_Vector_Time/sb:time_at_Earth_UTC_JD/sb:time_at_Earth_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Geometry_Vector_Time/sb:time_at_Sun_UTC_JD/sb:time_at_Sun_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Geometry_Vector_Time/sb:time_at_target_UTC_JD/sb:time_at_target_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Instrument_Position_Angles/Rule
In sb:Instrument_Position_Angles, exactly two of sb:x_axis_position_angle, sb:y_axis_position_angle, or sb:z_axis_position_angle must be provided.
sb:Instrument_Position_Angles/sb:x_axis_position_angle/sb:x_axis_position_angle
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Instrument_Position_Angles/sb:y_axis_position_angle/sb:y_axis_position_angle
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Instrument_Position_Angles/sb:z_axis_position_angle/sb:z_axis_position_angle
The attribute @unit must be equal to one of the following values 'arcmin', 'arcsec', 'deg', 'hr', 'microrad', 'mrad', 'rad'.
sb:Midframe_Time/sb:delta_time_from_sequence_start/sb:delta_time_from_sequence_start
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Midframe_Time/sb:midobservation_time_UTC_JD/sb:midobservation_time_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Per_Frame_Metadata/sb:frame_exposure_duration/sb:frame_exposure_duration
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Quality_Map/pds:Local_Internal_Reference/Rule
In sb:Quality_Map/pds:Local_Internal_Reference, pds:local_reference_type must be "image_to_quality_map".
sb:Raw_Data_Product/pds:Internal_Reference/Rule
In sb:Raw_Data_Product/pds:Internal_Reference, pds:reference_type must be "processed_data_to_raw_data".
sb:SB_Metadata//*[ends-with(name(),'_JD')]/Rule
The attribute "" must be specified with "unit='julian day'".
sb:SNR_Map/pds:Local_Internal_Reference/Rule
In sb:SNR_Map/pds:Local_Internal_Reference, pds:local_reference_type must be "image_to_snr_map".
sb:Timing/sb:midobservation_time_UTC_JD/sb:midobservation_time_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Timing/sb:start_time_UTC_JD/sb:start_time_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Timing/sb:stop_time_UTC_JD/sb:stop_time_UTC_JD
The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 'ns', 's', 'yr'.
sb:Wavelength_Solution/pds:Internal_Reference/Rule
In sb:Wavelength_Solution/pds:Internal_Reference, pds:reference_type must be "image_to_wavelength_solution_file".