1. This certificate was issued in Nanking City by the KMT government when it ruled mainland China.  After the KMT government moved to Taiwan, people from mainland China held these certificates and registered their initial households in Taiwan.
2. The reverse side of the ID card lists items that included “Name”, “Courtesy Name”, “Sex”, “Age”, “Place of Origin”, “Level of Education”, “Occupation”, “Fingerprint Code”, “Name of Head of Household”, “Relationship with Head of Household”, “Numbers Family Members”, “Address”, “Citizenship”, “Military Service” and “National Labor Service”.

1. The government carried out a household survey in 1946.  On October 1, 1946, the government implemented household registration for the first time and issued R.O.C. ID cards during that year.
2. The reverse side of ID card lists “Name”, “Order of Birth”, “Date of Birth”, “Name of Head of Household”, “Parents’ Names”, “Spouse’s Name”, “Level of Education”, “Occupation”, “Place of Origin”, “Living under another person’s house”, “Candidate for public servant”, “Citizenship”, “Military Service”, “Fingerprint Code” and “Doorplate”.
3. The fingerprint code “△” mark has a dustpan shape, while the “O” mark is shaped like a field snail.
   
   

In 1947, local governments implemented “National Labor Service”.  People who served in the government were issued a “service certificate”.  Due to budget limitations, the government--instead of changing the ID cards completely--deleted the category of “Qualification for candidate to serve as civil servant” and added three columns for “Working location”, “Date” and “Approved by”, plus a photo which was glued into the revised card.

1. Due to some special circumstances, some people did not possess ID cards or Household Registration Transcripts in 1949.  These individuals were required to apply for temporary household registration. 
2. The validity period for temporary household registrations was two months.
3. Applicants were required to apply for official household registrations within the valid period.

Differences found in ID cards issued in 1947:

1. Vertical writing and vertical printing.
2. Deletion of fingerprint code, expansion of the notation column for remarks about alterations and corrections, and the rubber stamp for blood type.
3. Addition of a metallic tag at the left bottom corner of the photo.

Differences found in ID cards issued in 1954:

1. ID cards were green for males and red for females.
2. Change of ID numbers to nine digits.
3. Expansion of the blood-type column.
4. Movement of personal data, education level and photo to the other side of the ID card.

Differences found in ID cards issued in 1965:

1. Male ID cards were changed to a blue color.
2. ID numbers were increased to 10 digits.
3. Level of education and spouse’s name moved to the card’s reverse side.

Differences found in ID cards issued in 1976:

1. Male ID cards were changed to a yellow color.
2. The three columns for “Place of Origin”, “Parents’ Names” and “Order of Birth” were moved to the reverse side of the card.
3. The three columns for “Level of Education”, “Blood Type” and “Household Correction” were deleted.

Differences found in ID cards issued in 1986:

1. Colors of male and female ID cards were unified.
2. Writing and printing were changed to a horizontal format.
3. Cards were laminated.
4. Columns for “Place of Origin” and “Occupation” were deleted.