Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
National symbols of the Philippines
Table title:
Official
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Type </th><th colspan=1 rowspan=1 > Symbol </th><th colspan=1 rowspan=1 > Image </th><th colspan=1 rowspan=1 > Adopted </th><th colspan=1 rowspan=1 > Legal basis </th></tr>
<tr> <th colspan=5 rowspan=1 > Declared through Republic Act No. 8491 and the Philippine Constitution </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Coat of arms </th><td colspan=1 rowspan=1 > Coat of arms of the Philippines </td><td colspan=1 rowspan=1 > Coat of arms of the Philippines </td><td colspan=1 rowspan=1 > 3 July 1946 (Reaffirmed 12 February 1998) </td><td class="highlighted"  colspan=1 rowspan=1 > Commonwealth Act No. 731 Reaffirmed by Republic Act No. 8491 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Great Seal </th><td colspan=1 rowspan=1 > Great Seal of the Philippines </td><td colspan=1 rowspan=1 > Great Seal </td><td colspan=1 rowspan=1 > 12 February 1998 </td><td class="highlighted"  colspan=1 rowspan=1 > Republic Act No. 8491, Chapter V </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > National anthem </th><td colspan=1 rowspan=1 > Lupang Hinirang </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Music : 12 June 1898 Lyrics : 26 May 1958 (Reaffirmed 12 February 1998) </td><td class="highlighted"  colspan=1 rowspan=1 > Music : Proclamation of President Emilio Aguinaldo Lyrics : Department of Education Administrative Order Reaffirmed by Republic Act No. 8491 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > National flag </th><td colspan=1 rowspan=1 > Flag of the Philippines </td><td colspan=1 rowspan=1 > National Flag </td><td colspan=1 rowspan=1 > 12 June 1898 (Reaffirmed 12 February 1998) </td><td class="highlighted"  colspan=1 rowspan=1 > Proclamation of President Emilio Aguinaldo Reaffirmed by Republic Act No. 8491 </td></tr>
<tr> <th colspan=1 rowspan=1 > National language </th><td colspan=1 rowspan=1 > Filipino </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 11 February 1987 </td><td colspan=1 rowspan=1 > Article XIV, Sec. 6 of the 1987 Constitution of the Philippines </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > National motto </th><td colspan=1 rowspan=1 > National motto of the Philippines </td><td colspan=1 rowspan=1 > "Maka-Diyos, Maka-Tao, Makakalikasan, at Makabansa" ("For God, People, Nature, and Country") </td><td colspan=1 rowspan=1 > 12 February 1998 </td><td class="highlighted"  colspan=1 rowspan=1 > Republic Act No. 8491, Chapter III, Section 40 </td></tr>
<tr> <th colspan=5 rowspan=1 > Declared through executive orders and other Republic Acts </th></tr>
<tr> <th colspan=1 rowspan=1 > National bird </th><td colspan=1 rowspan=1 > Philippine eagle (Pithecophaga jefferyi) </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 4 July 1995 </td><td colspan=1 rowspan=1 > Proclamation No. 615 </td></tr>
<tr> <th colspan=1 rowspan=1 > National flower </th><td colspan=1 rowspan=1 > Sampaguita (Jasminum sambac) </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 1 February 1934 </td><td colspan=1 rowspan=1 > Executive Proclamation No. 652, issued by Governor General Frank Murphy </td></tr>
<tr> <th colspan=1 rowspan=1 > National gem </th><td colspan=1 rowspan=1 > Philippine pearl (Pinctada maxima) </td><td colspan=1 rowspan=1 > Circle south sea pearls.JPG </td><td colspan=1 rowspan=1 > 15 October 1996 </td><td colspan=1 rowspan=1 > Proclamation No. 905 </td></tr>
<tr> <th colspan=1 rowspan=1 > National sign language </th><td colspan=1 rowspan=1 > Filipino Sign Language </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 30 October 2018 </td><td colspan=1 rowspan=1 > Republic Act No. 11106 </td></tr>
<tr> <th colspan=1 rowspan=1 > National sport and martial art </th><td colspan=1 rowspan=1 > Arnis (Eskrima/Kali) </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 11 December 2009 </td><td colspan=1 rowspan=1 > Republic Act No. 9850 </td></tr>
<tr> <th colspan=1 rowspan=1 > National tree </th><td colspan=1 rowspan=1 > Narra (Pterocarpus indicus) </td><td colspan=1 rowspan=1 > - </td><td colspan=1 rowspan=1 > 1 February 1934 </td><td colspan=1 rowspan=1 > Executive Proclamation No. 652 </td></tr>
</table>
Question:
What does the Republican Act (RA) code stipulate?
Answer:
The Republic Act (RA) 8491 stipulates the code for the national flag, anthem, motto, coat-of-arms and other items of the Philippines.